feat(dev.yml): ruby support
feat(*): pre-0.4.1 release

first-boot script
Ruby manager
latex and completion support for vim

Fix #5, #1, install and prototype process
chore(git): fix minimal git config
feat(*): latex, clean and fix
hum... a lot
beginning of the rest of the project, stable old version
Merge branch 'release/v0.4.1'