Refactor comment system:

- Update comment API to handle private comments and improve request structure.
- Remove unused CSS animations and components related to comments.
- Implement new comment input and item components with enhanced functionality including editing and private comment options.
- Integrate user profile navigation and improve user experience with better feedback on actions (like, delete, edit).
- Update localization for new features and ensure consistency in comment handling.
- Introduce checkbox for private comments in the comment input.

web/src/hooks/use-route.ts

@@ -12,11 +12,11 @@ export function useToLogin() {
   }
 }
 
-export function clickToUserprofile(username: string) {
-  const router = useRouter()
-  return () => {
-    router.push(`/user/${username}`)
-  }
+export function useToUserProfile() {
+  const router = useRouter();
+  return (username: string) => {
+    router.push(`/u/${username}`);
+  };
 }
 
 export function clickToPost(postId: number) {