feat: add quetions feature

app/Models/Question.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Question extends Model
+{
+    protected $fillable = ['title', 'category_id'];
+
+    public function tags()
+    {
+        return $this->belongsToMany(Tag::class);
+    }
+
+    public function category()
+    {
+        return $this->belongsTo(Category::class);
+    }
+}
+