feat: add all Eloquent models with relationships

app/Models/Vote.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class Vote extends Model
+{
+    protected $fillable = [
+        'title', 'description', 'type',
+        'related_id', 'status', 'deadline', 'created_by',
+    ];
+
+    protected $casts = [
+        'deadline' => 'datetime',
+    ];
+
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function items(): HasMany
+    {
+        return $this->hasMany(VoteItem::class);
+    }
+}