test: check if WaylandInputHandler works

src/main.cpp

@@ -1,5 +1,6 @@
 #include <stdio.h>
 
+#include "input/wayland.h"
 #include "window.h"
 #include "renderer.h"
 
@@ -9,6 +10,7 @@ static Window window(720, 480);
 
 void HandleFrame() {
 		printf("[APP]: width = %zu, height = %zu\n", window.GetWidth(), window.GetHeight());
+		WaylandInputHandler::GetInstance();
 }
 
 int main(int argc, char **argv) {