[TMP] Plugins system.

src-ui/app/_app_controllers/index.js

@@ -5,4 +5,5 @@ export { UiLanguageController } from "./UiLanguageController";
 export { ConfigPageCloseTriggerController } from "./ConfigPageCloseTriggerController";
 export { UiSizeController } from "./UiSizeController";
 export { FontFamilyController } from "./FontFamilyController";
-export { TransparencyController } from "./TransparencyController";
+export { TransparencyController } from "./TransparencyController";
+export { PluginsController } from "./PluginsController";