Added comments for easier understanding.

skolehjem/database/migrations/2020_06_29_091545_create_events.php

@@ -1,5 +1,7 @@
 <?php
+//Migrations acts as a version control for the database allowing you to modify the app's database schema
 
+//allows use of necessary libraries
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;