Add Prop and ModelPropValue models with relationships; create migration files for props, prop options, prop data types, and model prop values

app/Domains/Prop/Models/PropOption.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Domains\Prop\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'prop_id',
+    'value',
+    'label',
+    'sort_order',
+])]
+class PropOption extends Model
+{
+    use HasFactory;
+
+    /**
+     * @return BelongsTo<Prop, $this>
+     */
+    public function prop(): BelongsTo
+    {
+        return $this->belongsTo(Prop::class);
+    }
+}