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/teams/[teamId]/page.tsx

@@ -194,7 +194,7 @@ const TeamDashboardPage: FC = (): ReactElement => {
         </div>
 
         {/* Loading Overlay */}
-        <div className="fixed inset-0 bg-white/60 flex items-center justify-center z-50">
+        <div className="fixed inset-0 bg-white/60 dark:bg-black/50 flex items-center justify-center z-50">
           <div className="text-center">
             <div className="inline-block animate-spin rounded-full h-12 w-12 border-4 border-blue-600 border-t-transparent"></div>
             <p className="mt-4 text-gray-600 dark:text-white">