Create new right panel cards

src/settings/Settings.ts

@@ -607,4 +607,8 @@ export const SETTINGS: {[setting: string]: ISetting} = {
         displayName: _td("Enable experimental, compact IRC style layout"),
         default: false,
     },
+    "Widgets.pinned": {
+        supportedLevels: LEVELS_ROOM_OR_ACCOUNT,
+        default: [],
+    },
 };