UPDATE: Add self update

frontend/bindings/firefly-launcher/internal/index.js

@@ -2,11 +2,13 @@
 // Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
 // This file is automatically generated. DO NOT EDIT
 
+import * as AppService from "./appservice.js";
 import * as FSService from "./fsservice.js";
 import * as GitService from "./gitservice.js";
 import * as HdiffzService from "./hdiffzservice.js";
 import * as LanguageService from "./languageservice.js";
 export {
+    AppService,
     FSService,
     GitService,
     HdiffzService,