Change entry file to be a cpp file

bakara/src/bakara.h

@@ -1,5 +1,9 @@
 #pragma once
 
+/*! \file bakara.h
+Precompiled headers for external pragrams.
+*/
+
 #include <bakara/math/type.h>
 #include <bakara/core/log.h>
 #include <bakara/core/assert.h>
@@ -7,6 +11,4 @@
 
 #include <bakara/events/events.h>
 #include <bakara/core/application.h>
-#include <bakara/core/layer.h>
+#include <bakara/core/layer.h>
-
-#include <bakara/core/entry.h>

bakara/src/bakara/core/entry.cpp

@@ -1,5 +1,3 @@
-#pragma once
-
 #include <bkpch.h>
 #include "log.h"
 #include "application.h"