feat(TopBar): add user settings & logout btn and finish logout function

refactor(auth): rename login-token to token for consistency

Update all token references from 'login-token' to 'token' across the application. Also enhance TopBar with user menu functionality including logout and settings options.

- Standardize token cookie name for better maintainability
- Add dropdown menu to TopBar with logout functionality
- Implement click-outside behavior for menu
- Improve TopBar styling and user interaction

src/api/index.js

@@ -8,7 +8,7 @@ const api = axios.create({
 
 api.interceptors.request.use(
     config => {
-        const token = getCookie('login-token');
+        const token = getCookie('token');
         if (token) {
             config.headers['X-Token'] = token;
         }