You cannot use jQuery from a CDN
2.8 All front-end HTML, CSS, and Javascript files used by your extension must be included in the zip file for your assets. You should not include extraneous files or code not used by your extension.
You cannot use jQuery from a CDN
2.8 All front-end HTML, CSS, and Javascript files used by your extension must be included in the zip file for your assets. You should not include extraneous files or code not used by your extension.