feat: gacha auth integration (#32)

* feat(gacha): register and login integration

* fix: navbar and gacha landing page

- display fullname when user authenticated
- fix styling and responsive

* fix: minor fix UI

apps/gacha/src/main.tsx

@@ -35,7 +35,7 @@ if (!rootElement) throw new Error('Failed to find the root element');
 createRoot(rootElement).render(
   <StrictMode>
     <QueryProvider>
-      <Toaster />
+      <Toaster position="top-right"/>
       <RouterProvider router={router} />
     </QueryProvider>
   </StrictMode>