Add rollup-plugin-emit-ejs

[juliendargelos]

Awesome Contribution Checklist:

• [x] I have read, and re-read the Contributing Guidelines
• [x] I have searched to ensure the suggested item doesn't exist on this list
• [x] This PR contains only one item

Please Provide a Link A Repository for Your Addition

https://github.com/juliendargelos/rollup-plugin-emit-ejs

Please Describe Your Addition

This plugin allows for generating files from ejs templates. It includes a basic layout system and provides javascripts and stylesheets helper variables to link bundled files to html pages.

[shellscape]

Looks good. Thank you!