Merge branch 'feat.NextAuth' into 'main'

.env.example

app/(auth)/layout.tsx

app/(auth)/login/page.tsx

app/(auth)/signup/page.tsx

app/(content)/(home)/home/page.tsx

app/(content)/(user)/[userid]/page.tsx

app/api/auth/[...nextauth]/route.ts

app/api/likes/likeService.ts

app/api/messages/route.ts

app/api/route.ts

app/api/signup/route.ts

app/layout.tsx

components/auth-login-form.tsx

components/auth-signup-form.tsx

components/filter-sort-games.tsx

components/like-button.tsx

components/mode-toggle.tsx

components/nav.tsx

components/post-messages.tsx

components/react-query/provider.tsx