Make addon-enabled as a clean architecture

src/content/repositories/AddonEnabledRepository.ts

@@ -0,0 +1,19 @@
+let enabled: boolean = false;
+
+export default interface AddonEnabledRepository {
+  set(on: boolean): void;
+
+  get(): boolean;
+
+  // eslint-disable-next-line semi
+}
+
+export class AddonEnabledRepositoryImpl implements AddonEnabledRepository {
+  set(on: boolean): void {
+    enabled = on;
+  }
+
+  get(): boolean {
+    return enabled;
+  }
+}