add hit "animation"

src/render/WorldRenderer.cpp

@@ -87,6 +87,7 @@ void WorldRenderer::RenderMobs() const {
 		Renderer::Model model;
 		model.vao = m_MobVao.get();
 		model.positon = { mob->GetCenterX(), mob->GetCenterY() };
+		model.color = mob->HasTakenDamage() ? Vec3f{ 1, 0.5, 0.5 } : Vec3f{ 1, 1, 1 };
 		m_Renderer->RenderModel(model);
 	}
 }