Switch to rollup for bundling

js/gui/modules.mjs

@@ -0,0 +1,13 @@
+import * as gui from './index.mjs';
+import {canvas} from '../graphics/index.mjs';
+import GuiFrame from './frame.mjs';
+
+export function root() {
+	return new GuiFrame(0, 0, canvas.width, canvas.height, {
+		draw: false
+	});
+}
+
+export function titleScreen() {
+	
+}