Update module.md

Author: mostafa6765

javascript-developer/nodejs/module.md

@@ -3,6 +3,8 @@
 
 * [code-trotter diff js module format](https://code-trotter.com/web/understand-the-different-javascript-modules-formats/)
 * [top module bundler](https://github.com/topics/module-bundler)
+* [rollup](https://github.com/rollup/rollup)
+* [gulp](https://github.com/gulpjs/gulp)