Made tabel timestamp

Backend/Database/GameJam.php

@@ -4,11 +4,12 @@ use Illuminate\Database\Capsule\Manager as Capsule;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;
 
-Capsule::schema()->create("GameJam", function (Blueprint $table){
+Capsule::schema()->create("game_jams", function (Blueprint $table){
     $table->id();
     $table->string("name");
     $table->dateTime("startTime");
     $table->dateTime("endTime");
     $table->string("keyWord")->nullable();
     $table->text("description")->nullable();
+    $table->timestamps();
 });