Adding model loading and bvh generation

src/main.cpp

@@ -1,6 +1,11 @@
 #include "window/Window.h"
+#include "util/ModelLoader.h"
+#include "scene/BVH.h"
 
 int main() {
+    BVH bvh;
+    bvh.addModels(ModelLoader::loadModel("../../cube.fbx"));
+    bvh.generate();
 	Window w(1920, 1080);
 	while (true) {
 		w.update();