Revert "remove installation files because unused"

This reverts commit 961c291195580fa64915eb070b762e4c857bf45d.
Merge branch 'master' of github.com:polatic/polatic-game
Revert "Revert "remove installation files because unused""

This reverts commit 85ed0bf1141b6b35b9caa58271f1bd3a6f305694.