backend: align API/models with current PostgreSQL schema

app/Models/UserStrike.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+
+class UserStrike extends Model
+{
+    use HasFactory;
+
+    public $timestamps = false;
+
+    protected $table = 'user_strikes';
+
+    protected $fillable = [
+        'user_id',
+        'reservation_id',
+        'venue_id',
+        'type',
+        'created_at',
+    ];
+}