feat: move entrypoint to the engine

engine/include/engine/app/app.h

@@ -1,6 +1,8 @@
 #ifndef APPLICATION_H_
 #define APPLICATION_H_
 
+#include "engine/window/events/window.h"
+
 class IApplication {
 public:
     virtual ~IApplication() = default;

engine/include/engine/engine.h

@@ -0,0 +1,19 @@
+#ifndef WIN32
+#define GLEW_STATIC
+#endif
+
+#include <memory>
+
+#ifdef WIN32
+#include <corecrt_math_defines.h>
+#endif
+
+#include "engine/app/app.h"
+#include "engine/renderer/core.h"
+
+extern IApplication* CreateApplication();
+
+int main() {
+    Engine::Run(std::unique_ptr<IApplication>(CreateApplication()));
+    return 0;
+}