gitignore_global: Add 'tags' file

Forgot about this on new computer, make sure to symlink it to ~ and run
git config --global core.excludesfile ~/.gitignore_global

Signed-off-by: Carl Helmertz <chelmertz@op5.com>
i3: Move window to other screen with mod+x

"output right" loops. Funky.

Signed-off-by: Carl Helmertz <chelmertz@op5.com>