Add sports-match type, device tracking, profile visits, and share refactor

- New SportsMatch model/controller and sports UI components/modal
- Move share-modal to a reusable x-share-modal/x-share-button component
- Add VideoSharedWithUser notification and share-to-members flow
- Device/user-agent tracking on views, downloads, share accesses
- ProfileVisit model + migration; subscription source tracking
- Email thumbnail support; remove stale TODO files

resources/views/videos/index.blade.php.bak

@@ -243,7 +243,7 @@
 
         @endif
 
-        @include('layouts.partials.share-modal')
+        <x-share-modal />
     @endsection
 
 @section('scripts')