Lib and demo

[trietbui85]

If you have time, it would be great to split source code to lib and demo 👍

[RaghavSood]

I have exams going on right now, but I'll split it when they get over

[curioustechizen]

While you're at it, you might also make the configurable properties as custom attributes.

[basememara]

Awesome plugin, thanks for this! I created a pull request with a demo, #15.