[bin] make bin folder visible
[nixos] enable mpd
[nixos] install atool and unzip
[Makefile] updated links
[presentation] place monitor above the internal
[Makefile] create jumanji folder
[Makefile] make .xsession executable
[config.nix] removed test environment
[xinitrc] fixed paths (.bin → bin)
[xinitrc] fixed xset call