feat: Implement payment proof upload for orders, add payment method selection API, and seed bank transfer payment options.

app/Models/OrderItem.php

@@ -9,9 +9,10 @@ class OrderItem extends Model
 {
     use HasFactory;
 
-    protected $table = 'order__order_item';
+    protected $table = 'order_items';
     protected $guarded = [];
     public $timestamps = false;
+    
     public function order()
     {
         return $this->belongsTo(Order::class, 'order_id');