moved entries in changelog from `unreleased` to 2.1.0 (even
though technically it's too late for that since that version was already
released).
added new section for 2.2.0 and added some points on what changed.
bumped version to 2.2.0 in main.sh, example.sh and package.json
Closes#74
* Base on apex.run
* More custom themie
* Loop to write
* Support inline links
* Smaller header
* Auto-deploys via travis
* Rewording to make for a better homepage
* Make the license less restrictive. See #14
So that people can use _just_ main.sh without bothering with also
distributing the license
* Add license update to changelog
* Add a comment about expansion, see #26
* Use an unmodified MIT License, with the more permissive clause inside the code
As modifying the MIT License will needlessly (but rightfully) cause
suspicion
* Credit @bravo-kernel for his feedback
* Fix another typo
* Reword copyright
