feat: enhance security by implementing HttpOnly refresh tokens and in-memory access token management

- Added isomorphic-dompurify for improved XSS protection
- Refactored token storage to use in-memory management for access tokens
- Implemented server-side route handlers for OAuth token management
- Introduced security headers in next.config.js
- Removed client-side exposure of client_secret and sensitive tokens
- Updated API interceptors to handle token refresh logic
- Cleaned up cookie management for refresh tokens

components/layout/header/Content.js

@@ -18,7 +18,7 @@ function Content({ matchedCity, name, logged }) {
   const pathname = usePathname();
 
   useEffect(() => {
-    setIsLogged(Boolean(Cookies.get("access_token")));
+    setIsLogged(Boolean(Cookies.get("userInfo")));
   }, [pathname]);
 
   return (