Switch license to MIT

[viceice]

Most of our projects are using MIT license, so we tend to switch the lisence on this repo too.

Comments?

[viceice]

This should propably a major bump

[maxbrunet]

It uses the same ISC license as https://github.com/renovatebot/renovate-approve-bot. The Github description of the license says:

The ISC license is functionally equivalent to the BSD 2-Clause and MIT licenses, removing some language that is no longer necessary.

[viceice]

@rarkins WDYT? Should we stay on MIT and switch remaining too, or schould we switch all to ISC? 🤔