Implement existing API types

frontend-reactive/app/models/account.ts

@@ -0,0 +1,30 @@
+import Model, { attr, hasMany, type AsyncHasMany } from '@ember-data/model'
+import type RemoteServerModel from './remote-server'
+import type CustomAccountFieldModel from './custom-account-field'
+import type MediaMetadataModel from './media-metadata'
+
+export default class AccountModel extends Model {
+  @attr declare createdAt: Date
+  @attr declare updatedAt: Date
+  @attr declare username: string
+  @attr declare originServer: RemoteServerModel
+  @attr declare originServerId: number
+  @attr declare displayName: string
+  @hasMany('custom-account-field')
+  declare customFields: AsyncHasMany<CustomAccountFieldModel>
+  @attr declare customFieldIds: Array<number>
+  @attr declare isBot: boolean
+  @attr declare description: string
+  @attr declare icon: MediaMetadataModel
+  @attr declare iconId: string
+  @attr declare banner: MediaMetadataModel
+  @attr declare bannerId: string
+  @attr declare background: MediaMetadataModel
+  @attr declare backgroundId: string
+  @attr declare relationIds: Array<number>
+  @attr declare indexable: boolean
+  @attr declare restrictedFollow: boolean
+  @attr declare identifiesAs: Array<string>
+  @attr declare pronouns: Array<string>
+  @attr declare roles: Array<string>
+}