feat(event): handle key down and key up events for windows

src/event/linux/Input.cpp

@@ -1,5 +1,10 @@
 #include "event/Input.hpp"
 
+bool OsGuiIsModifierKeyDown(int32_t key) {
+    // TODO
+    return false;
+}
+
 int32_t OsGuiProcessMessage(void* message) {
     return 0;
 }