Add zip.js ,and fix ejs.js

[nenge123]

Library name

zip.js

Library license

BSD-3-Clause license

Library source

https://github.com/gildas-lormeau/zip.js

Files to include

• zip.js (https://github.com/gildas-lormeau/zip.js)
• fix ejs.js Link (https://unpkg.com/[email protected]/ejs.min.js)