diff --git a/package-lock.json b/package-lock.json
index 21767d8..82db829 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,8 +9,12 @@
       "version": "0.0.0",
       "license": "MIT",
       "dependencies": {
+        "google-protobuf": "^3.18.0-rc.2",
+        "grpc-web": "^1.2.1",
         "idb": "^6.1.2",
-        "poll-until-promise": "^3.6.1"
+        "poll-until-promise": "^3.6.1",
+        "semver": "^7.3.5",
+        "sw-xhr": "^0.0.3"
       },
       "devDependencies": {
         "copy-webpack-plugin": "^9.0.1",
@@ -737,12 +741,22 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/google-protobuf": {
+      "version": "3.18.0-rc.2",
+      "resolved": "https://registry.npmjs.org/google-protobuf/-/google-protobuf-3.18.0-rc.2.tgz",
+      "integrity": "sha512-mKZG5WYrwR/y1mA8xB+qI1O/6Pmvu4V6zldf+dpHdx6zoyVWT5lJTyXU8rAlpL7jtbe47e6M9L4PyWnKsYMOXQ=="
+    },
     "node_modules/graceful-fs": {
       "version": "4.2.6",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.6.tgz",
       "integrity": "sha512-nTnJ528pbqxYanhpDYsi4Rd8MAeaBA67+RZ10CM1m3bTAVFEDcd5AuA4a6W5YkGZ1iNXHzZz8T6TBKLeBuNriQ==",
       "dev": true
     },
+    "node_modules/grpc-web": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/grpc-web/-/grpc-web-1.2.1.tgz",
+      "integrity": "sha512-ibBaJPzfMVuLPgaST9w0kZl60s+SnkPBQp6QKdpEr85tpc1gXW2QDqSne9xiyiym0logDfdUSm4aX5h9YBA2mw=="
+    },
     "node_modules/has": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
@@ -967,6 +981,17 @@
         "node": ">=8"
       }
     },
+    "node_modules/lru-cache": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+      "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+      "dependencies": {
+        "yallist": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/merge-stream": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
@@ -1366,6 +1391,20 @@
         "url": "https://opencollective.com/webpack"
       }
     },
+    "node_modules/semver": {
+      "version": "7.3.5",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",
+      "integrity": "sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==",
+      "dependencies": {
+        "lru-cache": "^6.0.0"
+      },
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/serialize-javascript": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-6.0.0.tgz",
@@ -1472,6 +1511,11 @@
         "url": "https://github.com/chalk/supports-color?sponsor=1"
       }
     },
+    "node_modules/sw-xhr": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/sw-xhr/-/sw-xhr-0.0.3.tgz",
+      "integrity": "sha1-S+YUuwnEQhNfecxXhWKsm+wYE6Q="
+    },
     "node_modules/tapable": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/tapable/-/tapable-2.2.0.tgz",
@@ -1735,6 +1779,11 @@
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       "dev": true
     },
+    "node_modules/yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+    },
     "node_modules/yocto-queue": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
@@ -2330,12 +2379,22 @@
         "slash": "^3.0.0"
       }
     },
+    "google-protobuf": {
+      "version": "3.18.0-rc.2",
+      "resolved": "https://registry.npmjs.org/google-protobuf/-/google-protobuf-3.18.0-rc.2.tgz",
+      "integrity": "sha512-mKZG5WYrwR/y1mA8xB+qI1O/6Pmvu4V6zldf+dpHdx6zoyVWT5lJTyXU8rAlpL7jtbe47e6M9L4PyWnKsYMOXQ=="
+    },
     "graceful-fs": {
       "version": "4.2.6",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.6.tgz",
       "integrity": "sha512-nTnJ528pbqxYanhpDYsi4Rd8MAeaBA67+RZ10CM1m3bTAVFEDcd5AuA4a6W5YkGZ1iNXHzZz8T6TBKLeBuNriQ==",
       "dev": true
     },
+    "grpc-web": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/grpc-web/-/grpc-web-1.2.1.tgz",
+      "integrity": "sha512-ibBaJPzfMVuLPgaST9w0kZl60s+SnkPBQp6QKdpEr85tpc1gXW2QDqSne9xiyiym0logDfdUSm4aX5h9YBA2mw=="
+    },
     "has": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
@@ -2500,6 +2559,14 @@
         "p-locate": "^4.1.0"
       }
     },
+    "lru-cache": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+      "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+      "requires": {
+        "yallist": "^4.0.0"
+      }
+    },
     "merge-stream": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
@@ -2767,6 +2834,14 @@
         "ajv-keywords": "^3.5.2"
       }
     },
+    "semver": {
+      "version": "7.3.5",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",
+      "integrity": "sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==",
+      "requires": {
+        "lru-cache": "^6.0.0"
+      }
+    },
     "serialize-javascript": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-6.0.0.tgz",
@@ -2849,6 +2924,11 @@
         "has-flag": "^4.0.0"
       }
     },
+    "sw-xhr": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/sw-xhr/-/sw-xhr-0.0.3.tgz",
+      "integrity": "sha1-S+YUuwnEQhNfecxXhWKsm+wYE6Q="
+    },
     "tapable": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/tapable/-/tapable-2.2.0.tgz",
@@ -3033,6 +3113,11 @@
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       "dev": true
     },
+    "yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+    },
     "yocto-queue": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",