refactor: create reusable EntrypointScriptRunner class

Change-Id: I88e0fbc4118a28cafe1c9548583c4049036dfaa9
diff --git a/src/common/architecture/entrypoint/Context.ts b/src/common/architecture/entrypoint/Context.ts
new file mode 100644
index 0000000..0ebe29f
--- /dev/null
+++ b/src/common/architecture/entrypoint/Context.ts
@@ -0,0 +1,11 @@
+import {
+  ScriptEnvironment,
+  ScriptPage,
+  ScriptRunPhase,
+} from '../scripts/Script';
+
+export interface Context {
+  page: ScriptPage;
+  environment: ScriptEnvironment;
+  runPhase: ScriptRunPhase;
+}