Capitalize background scripts

src/background/controllers/SettingController.js

@@ -0,0 +1,18 @@
+import SettingUseCase from '../usecases/SettingUseCase';
+import ContentMessageClient from '../infrastructures/ContentMessageClient';
+
+export default class SettingController {
+  constructor() {
+    this.settingUseCase = new SettingUseCase();
+    this.contentMessageClient = new ContentMessageClient();
+  }
+
+  getSetting() {
+    return this.settingUseCase.get();
+  }
+
+  async reload() {
+    await this.settingUseCase.reload();
+    this.contentMessageClient.broadcastSettingsChanged();
+  }
+}