feat: shared environments

app/Models/SharedEnvironmentVariable.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class SharedEnvironmentVariable extends Model
+{
+    protected $guarded = [];
+    protected $casts = [
+        'key' => 'string',
+        'value' => 'encrypted',
+    ];
+}