The config was placed in the zsh directory beforehand, this directory is
now managed by the upstream repo. Therefore the config file had to move.
Signed-off-by: Tobias Manske <tobias.manske@mailbox.org>
Added a new '.gitmessage' file which is to be used as a commit message
template, containing my Signed-off-by notice. Now all my commits contain
this message, not only those done in an IDE.
Signed-off-by: Tobias Manske <tobias.manske@mailbox.org>
