Made documentation on migrations

Backend/Database/Group.php

@@ -1,9 +1,11 @@
 <?php
+//require bootstrap aka our database connection
 require_once "../../bootstrap.php";
 use Illuminate\Database\Capsule\Manager as Capsule;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;
 
+//Create groups table with the rows as id, groupName, groupAmount, fkGameJam, votes, fkPassword, fkGameData and timestamp
 Capsule::schema()->create("groups", function (Blueprint $table){
     $table->id();
     $table->string("groupName");
@@ -13,4 +15,18 @@ Capsule::schema()->create("groups", function (Blueprint $table){
     $table->foreignId("fkPassword")->constrained("password");
     $table->foreignId("fkGameData")->nullable()->constrained("game_data");
     $table->timestamps();
-});
+});
+
+
+/*
+Syntex to create table in database
+
+$table->string("texts");
+
+$table => valuable;
+string => datatype;
+("texts") => name for the row in the database;
+nullable => is allowed to not have a value in the database;
+foreignId => foreignId key row name in the database;
+constrained => targeted table name;
+*/