feat(cc-dark-theme): use sass instead of static css

In order to despaghettify the dark theme styles, this CL introduces Sass
compilation for the dark theme styles.

Bug: twpowertools:21
Change-Id: Ibbae3f85f355fab690f42f2bae9cf7766d9d43a3
diff --git a/package-lock.json b/package-lock.json
index 138c24a..90109b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,6 +34,7 @@
         "jest": "^29.3.1",
         "jest-environment-jsdom": "^29.3.1",
         "json5": "^2.2.0",
+        "mini-css-extract-plugin": "^2.7.6",
         "path": "^0.12.7",
         "raw-loader": "^4.0.2",
         "sass": "^1.38.1",
@@ -2468,9 +2469,9 @@
       }
     },
     "node_modules/@types/json-schema": {
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-      "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.8.tgz",
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+      "version": "7.0.14",
+      "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.14.tgz",
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       "dev": true
     },
     "node_modules/@types/node": {
@@ -2803,6 +2804,45 @@
         "url": "https://github.com/sponsors/epoberezkin"
       }
     },
+    "node_modules/ajv-formats": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ajv-formats/-/ajv-formats-2.1.1.tgz",
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+      "dev": true,
+      "dependencies": {
+        "ajv": "^8.0.0"
+      },
+      "peerDependencies": {
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+      },
+      "peerDependenciesMeta": {
+        "ajv": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/ajv-formats/node_modules/ajv": {
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+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.12.0.tgz",
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+      "dev": true,
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "json-schema-traverse": "^1.0.0",
+        "require-from-string": "^2.0.2",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
+    "node_modules/ajv-formats/node_modules/json-schema-traverse": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
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@@ -5763,6 +5803,78 @@
         "node": ">=6"
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+      "version": "2.7.6",
+      "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-2.7.6.tgz",
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+      "dev": true,
+      "dependencies": {
+        "schema-utils": "^4.0.0"
+      },
+      "engines": {
+        "node": ">= 12.13.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/webpack"
+      },
+      "peerDependencies": {
+        "webpack": "^5.0.0"
+      }
+    },
+    "node_modules/mini-css-extract-plugin/node_modules/ajv": {
+      "version": "8.12.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.12.0.tgz",
+      "integrity": "sha512-sRu1kpcO9yLtYxBKvqfTeh9KzZEwO3STyX1HT+4CaDzC6HpTGYhIhPIzj9XuKU7KYDwnaeh5hcOwjy1QuJzBPA==",
+      "dev": true,
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "json-schema-traverse": "^1.0.0",
+        "require-from-string": "^2.0.2",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
+    "node_modules/mini-css-extract-plugin/node_modules/ajv-keywords": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-5.1.0.tgz",
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+      "dependencies": {
+        "fast-deep-equal": "^3.1.3"
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+      "peerDependencies": {
+        "ajv": "^8.8.2"
+      }
+    },
+    "node_modules/mini-css-extract-plugin/node_modules/json-schema-traverse": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
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+      "dev": true
+    },
+    "node_modules/mini-css-extract-plugin/node_modules/schema-utils": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-4.2.0.tgz",
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+      "dev": true,
+      "dependencies": {
+        "@types/json-schema": "^7.0.9",
+        "ajv": "^8.9.0",
+        "ajv-formats": "^2.1.1",
+        "ajv-keywords": "^5.1.0"
+      },
+      "engines": {
+        "node": ">= 12.13.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/webpack"
+      }
+    },
     "node_modules/minimatch": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
@@ -6373,6 +6485,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/require-from-string": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
+      "integrity": "sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/requires-port": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
@@ -9650,9 +9771,9 @@
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-      "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.8.tgz",
-      "integrity": "sha512-YSBPTLTVm2e2OoQIDYx8HaeWJ5tTToLH67kXR7zYNGupXMEHa2++G8k+DczX2cFVgalypqtyZIcU19AFcmOpmg==",
+      "version": "7.0.14",
+      "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.14.tgz",
+      "integrity": "sha512-U3PUjAudAdJBeC2pgN8uTIKgxrb4nlDF3SF0++EldXQvQBGkpFZMSnwQiIoDU77tv45VgNkl/L4ouD+rEomujw==",
       "dev": true
     },
     "@types/node": {
@@ -9949,6 +10070,35 @@
         "uri-js": "^4.2.2"
       }
     },
+    "ajv-formats": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ajv-formats/-/ajv-formats-2.1.1.tgz",
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+      "requires": {
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+      "dependencies": {
+        "ajv": {
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+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.12.0.tgz",
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+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^3.1.1",
+            "json-schema-traverse": "^1.0.0",
+            "require-from-string": "^2.0.2",
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+        "json-schema-traverse": {
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+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
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     "ajv-keywords": {
       "version": "3.5.2",
       "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.5.2.tgz",
@@ -12183,6 +12333,56 @@
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+      "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-2.7.6.tgz",
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+      "dev": true,
+      "requires": {
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+      "dependencies": {
+        "ajv": {
+          "version": "8.12.0",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.12.0.tgz",
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+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^3.1.1",
+            "json-schema-traverse": "^1.0.0",
+            "require-from-string": "^2.0.2",
+            "uri-js": "^4.2.2"
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+        "ajv-keywords": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-5.1.0.tgz",
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+          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-4.2.0.tgz",
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+            "ajv-formats": "^2.1.1",
+            "ajv-keywords": "^5.1.0"
+          }
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+    },
     "minimatch": {
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       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
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+    },
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