Separated laravel app to its own folder (#540)

api/app/Models/UserWorkspace.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class UserWorkspace extends Model
+{
+    use HasFactory;
+    protected $table = 'user_workspace';
+
+    protected $fillable = [
+        'user_id',
+        'workspace_id',
+        'role',
+    ];
+
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function workspace()
+    {
+        return $this->belongsTo(Workspace::class);
+    }
+}