feat: add all Eloquent models with relationships

app/Models/VoteItem.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class VoteItem extends Model
+{
+    protected $fillable = ['vote_id', 'user_id', 'choice'];
+
+    public function vote(): BelongsTo
+    {
+        return $this->belongsTo(Vote::class);
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}