each screen now has it's own file, and there is a framework for adding more

error.h

@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef ERROR_H /* header guard */
+#define ERROR_H
+
+#include "screens.h"
+
+void draw_error(struct Screen *screen, char *input);
+
+#endif