Text works; fixed intersection testing with new system

Split map and general rendering machinery

Make publish ready

Merge branch 'master' of github.com:Yatekii/sailor

Update README.md

Add files via upload

Update rust.yml

Revamp program structure for better memory performance. While this is…

… ok now, loading new tiles makes the renderer stutter ...

memory experiments

Add memory tracing; still sucks real bad (doesn't come close to the a…

…ctual number)