add missing files

launcher/keymapper.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "uilayer.h"
+#include "driverkeyboardinput.h"
+
+namespace ui
+{
+class keymapper_panel : public ui_panel
+{
+  public:
+	keymapper_panel();
+
+	void render() override;
+	bool key(int key);
+
+private:
+	driverkeyboard_input keyboard;
+
+	user_command bind_active = user_command::none;
+};
+} // namespace ui