cfg/pryrc: configure the new option of Pry Theme
arch-packages/default.packages: add 'pkgfile'
Include TeX to the default packages
Install vital Ruby gems by default
cfg/Xresources: swap Smoothansi with Terminus

Not being able to see good Russian characters is annoying.
Clean up unwanted packages and build some custom PKGBUILD's
Makefile: don't ask stupid questions on cleanup