Refactor color classes from yellow to warning across the application

- Updated color classes in NotifyDemo.php to use warning colors.
- Added new warning color variables in app.css.
- Changed warning icon colors in callout.blade.php.
- Updated loading spinner and hover states in global-search.blade.php.
- Refactored warning messages and styles in project application views.
- Adjusted log display colors in get-logs.blade.php.
- Updated private key status indicators in index.blade.php.
- Changed hover and text colors for documentation links in cloudflare-tunnel.blade.php.
- Refactored server creation messages in by-hetzner.blade.php.
- Updated proxy warning button colors in proxy.blade.php.
- Changed loading spinner colors in show.blade.php.
- Updated deployment status colors in deployments.blade.php and show.blade.php.

app/Console/Commands/NotifyDemo.php

@@ -56,7 +56,7 @@ class NotifyDemo extends Command
               php artisan app:demo-notify {channel}
             </p>
             <div class="my-1">
-                <div class="text-yellow-500"> Channels: </div>
+                <div class="text-warning-500"> Channels: </div>
                 <ul class="text-coolify">
                     <li>email</li>
                     <li>discord</li>