JS frontend stuff

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

frontend-old-ember/app/models/reaction.ts

@@ -0,0 +1,15 @@
+import Model, { attr } from '@ember-data/model';
+import type EmoteModel from './emote';
+
+export default class Reaction extends Model {
+  @attr declare noteId: string;
+  @attr declare reactorId: string;
+  @attr declare emoteId: number;
+  @attr declare emote: EmoteModel;
+}
+
+declare module 'ember-data/types/registries/model' {
+  export default interface ModelRegistry {
+    reaction: Reaction;
+  }
+}