Updated ERP with new modules and features

app/Models/NetworkOperatorDocument.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use App\Traits\LogsActivity;
+
+class NetworkOperatorDocument extends Model
+{
+    use LogsActivity;
+    protected $fillable = ['network_operator_id', 'name', 'file_path'];
+
+    public function networkOperator()
+    {
+        return $this->belongsTo(NetworkOperator::class);
+    }
+}