Further explain dependencies (#9)

Note that the list is C libraries which need to be installed seperately from the Haskell build system.
Add SDL2 to the list.

More abstract (#6)

* move stuff into subdirs

* sdl version done

* added cabal files because stack needs them, ugh

* added cabal files because stack needs them, ugh

* removed print statements

Merge pull request #5 from schell/gitlab

gitlab ci

gitlab ci

gitlab ci

gitlab ci

monad fail

docs update

removed MonadTextRenderingT in favor of FontStore

default alloc word function

word cache

displays correctly

first commit