Create _runtime_entry.js

src/addons/addons/save-to-google/_runtime_entry.js

@@ -0,0 +1,7 @@
+/* generated by pull.js */
+import _js from "./userscript.js";
+import _css from "!css-loader!./style.css";
+export const resources = {
+  "userscript.js": _js,
+  "style.css": _css,
+};