Add start of ship editing grid

js/gui/item.mjs

@@ -0,0 +1,18 @@
+import * as gui from './index.mjs';
+import GuiButton from './button.mjs';
+
+export default class GuiItemButton extends GuiButton {
+	constructor(module, onclick, x, y, w = 50, h = 50) {
+		super(null, onclick, x, y, w, h);
+		this.image = module === null ? null : module.currentImage;
+		this.type = 'itemButton';
+	}
+
+	click() {
+		this.onclick('left');
+	}
+
+	rightClick() {
+		this.onclick('right');
+	}
+}