Make settings as a clean architecture

src/content/repositories/SettingRepository.ts

@@ -0,0 +1,22 @@
+import Settings, { DefaultSetting } from '../../shared/Settings';
+
+let current: Settings = DefaultSetting;
+
+export default interface SettingRepository {
+  set(setting: Settings): void;
+
+  get(): Settings;
+
+  // eslint-disable-next-line semi
+}
+
+export class SettingRepositoryImpl implements SettingRepository {
+  set(setting: Settings): void {
+    current = setting;
+  }
+
+  get(): Settings {
+    return current;
+  }
+
+}