message: Fix RealmInterface type on RealmManager
diff: @@ -6,7 +6,7 @@ import { RealmInterface } from '../interfaces';
  import { getOwner, inject, injectionReady } from '@cardstack/di';
  export default class RealmManager {
  - realms: RealmInterface[] = [];
  + realms: RealmInterface<any>[] = [];
  private realmsConfig = inject('realmsConfig');
  private searchIndex = inject('searchIndex');
  