feat: add notifications and invites routes to the router and update path utilities

src/app/pages/Router.tsx

@@ -221,6 +221,8 @@ export const createRouter = (clientConfig: ClientConfig, screenSize: ScreenSize)
         >
           {mobile ? null : <Route index element={<WelcomePage />} />}
           <Route path={_CREATE_PATH} element={<DirectCreate />} />
+          <Route path={_NOTIFICATIONS_PATH} element={<Notifications />} />
+          <Route path={_INVITES_PATH} element={<Invites />} />
           <Route
             path={_ROOM_PATH}
             element={