feat(hackathon): Change "edit profile" into modal dialog (#65)

* feat: update landing page

* feat: Add favicon and SEO (JSON-LD schema, meta tags)

- Add favicon image
- Add JSON-LD schema for Hackathon event
- Add react-helmet-async for managing meta tags

* chore: remove react-helmet-async

* chore: update landing page

* chore: update UI for signup and login

- add back button for better UX

* feat: add image loading state and skeleton UI for team dashboard

* fix: landing navbar not sticky to top, fix onboarding UI

* feat(hackathon): update UI

- Update dashboard, onboarding user, edit profile, and team layout
  to make it more consistent

* fix: optimize placeholder banner image & minor fix dark mode

* feat(hackathon): update landing page dark mode color scheme

* feat(hackathon): update auth page dark mode color scheme

* feat(hackathon): dashboard UI improvement and dark mode adjustment

* feat(hackathon): browse team page

- update dark mode color scheme
- add some border style to give outline and depth
- change emoji to icon

* feat(hackathon): update team page

- update dark mode color scheme for team page: view, team edit,
  and submit project page
- fix bug in chat where messages are displayed double
- make the form field size consistent

* feat(hackathon): update dark mode onboarding and edit profile

* feat(hackathon): change "edit profile" to modal dialog

- Add "edit profile" modal dialog that can be triggered from dashboard
- Update background overlay for dark mode
- Update dark mode for auth callback

* feat(hackathon): dark mode for user page

---------

Co-authored-by: Maulana Sodiqin <sodiqincahyana1@gmail.com>
Co-authored-by: Muhammad Zakir Ramadhan <61570975+zakirkun@users.noreply.github.com>

apps/hackathon/src/app/users/[userId]/layout.tsx

@@ -6,21 +6,33 @@ const UserDetailLayout: FC = (): ReactElement => {
   const [sidebarOpen, setSidebarOpen] = useState(false);
 
   return (
-    <div className="flex min-h-screen bg-gray-50 dark:bg-neutral-950">
+    <div className="flex min-h-screen bg-gray-50 dark:bg-gray-950">
       <Sidebar isOpen={sidebarOpen} onClose={() => setSidebarOpen(false)} />
 
       <div className="flex-1 flex flex-col overflow-auto">
         {/* Mobile Header with Hamburger */}
-        <div className="lg:hidden bg-white dark:bg-neutral-900 border-b dark:border-neutral-700 px-4 py-3 flex items-center">
+        <div className="lg:hidden bg-white dark:bg-gray-900 border-b dark:border-neutral-700 px-4 py-3 flex items-center">
           <button
             onClick={() => setSidebarOpen(true)}
-            className="p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-neutral-800 transition-colors"
+            className="p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors"
           >
-            <svg className="w-6 h-6 text-gray-600 dark:text-neutral-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 6h16M4 12h16M4 18h16" />
+            <svg
+              className="w-6 h-6 text-gray-600 dark:text-neutral-400"
+              fill="none"
+              stroke="currentColor"
+              viewBox="0 0 24 24"
+            >
+              <path
+                strokeLinecap="round"
+                strokeLinejoin="round"
+                strokeWidth={2}
+                d="M4 6h16M4 12h16M4 18h16"
+              />
             </svg>
           </button>
-          <h1 className="ml-3 text-lg font-bold text-gray-900 dark:text-white">Hackathon</h1>
+          <h1 className="ml-3 text-lg font-bold text-gray-900 dark:text-white">
+            Hackathon
+          </h1>
         </div>
 
         <main className="flex-1 overflow-auto">