What are plugins and how to use one in sololearn sdk?

Answer 1

You mean libraries?

You can link "cdn link" to any js library from https://cdnjs.com

for example, this is for jQuery library.
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

Answer 2

https://www.npmjs.com/package/pure-swipe-js
Nop, i want to use this plugin. How can i use it in sololearn sdk?

Answer 3

in npm ? try jsdelivr, the url is pretty straightforward

https://www.jsdelivr.com/package/npm/pure-swipe

Answer 4

Just grab them online using CDN link

And use them as you use it normally in your web codes. There is no special procedure for it.
have a look to this \/
https://www.tutorialspoint.com/jquery/jquery-plugins.htm