tomtsagk/avdl: Abstract video-game development language @ v0.0.5

Tom Tsagk 2eaeb4291f Update implementation of `DESTDIR`		2 lat temu
..
include	23be83160d Add new object for shared `avdl_program`	2 lat temu
src	8a52fc8d90 Fix format security and other warnings	2 lat temu
.gitignore	8c1988096a Rename internal engine to `avdl-cengine` and organise it's build process	3 lat temu
LICENSE	6e41b5cae2 Add `cengine` build-in to the compiler	3 lat temu
makefile	2eaeb4291f Update implementation of `DESTDIR`	2 lat temu