* Be consistent wih puncuation (do no end items with '.')
* Use more correct English capitalisation
* Escape <> chars where needed
* Be conistent with the font of 's (use normal font)
* Improve the language and fix typos
* Improve action phase algorithm
* Specify when slow actions can be declared
* Define activated permanents
* Rename long-distance combat to ranged combat

* more rule highlights
* typo fixes
...

The push mechanic is heavily inspired by `Into the Breach`.
Pushing a permanent moves it involuntarily in a straight line.
On collisions units receive damage and permenents pushed onto free but
unavailable tiles are destroyed.