JS frontend stuff

Move old ember frontend to properly named folder
Add vue based new frontend

frontend-old-ember/app/models/origin-server.ts

@@ -0,0 +1,14 @@
+import Model, { attr } from '@ember-data/model';
+
+export default class OriginServer extends Model {
+  @attr() declare serverType: string;
+  @attr() declare name: string;
+  @attr() declare iconUrl: string;
+  @attr() declare isSelf: boolean;
+}
+
+declare module 'ember-data/types/registries/model' {
+  export default interface ModelRegistry {
+    originServer: OriginServer;
+  }
+}