Initial Ladill Hosting app with Gitea deploy pipeline.

Shared web hosting extracted from the platform monolith, with CI deploy
to /var/www/ladill-hosting matching Bird/Domains/Email.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Models/PlatformSetting.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class PlatformSetting extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'group',
+        'key',
+        'label',
+        'description',
+        'type',
+        'value',
+        'is_secret',
+        'is_active',
+    ];
+
+    protected $casts = [
+        'value' => 'array',
+        'is_secret' => 'boolean',
+        'is_active' => 'boolean',
+    ];
+}