database And dertory update

Backend/Database/GameJam.php

@@ -9,9 +9,9 @@ use Illuminate\Support\Facades\Schema;
 Capsule::schema()->create("game_jams", function (Blueprint $table){
     $table->id();
     $table->string("name");
-    $table->dateTime("startTime");
-    $table->dateTime("endTime");
-    $table->string("keyWord")->nullable();
+    $table->dateTime("start_time");
+    $table->dateTime("end_time");
+    $table->string("key_word")->nullable();
     $table->text("description")->nullable();
     $table->timestamps();
 });