refac/fix: shortcut modal

src/lib/stores/index.ts

@@ -69,6 +69,7 @@ export const settings: Writable<Settings> = writable({});
 export const showSidebar = writable(false);
 export const showSearch = writable(false);
 export const showSettings = writable(false);
+export const showShortcuts = writable(false);
 export const showArchivedChats = writable(false);
 export const showChangelog = writable(false);