License

[paezha]

Update license information: suggest CC BY-NC-SA 4.0; see:

https://github.com/paezha/envsocty3LT3/blob/master/LICENSE

This is the snipet for the badge:

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<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /><br /></a>This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a><br />.