* add 'Fragen' to Issues
 * GitHub has no Merge Request (Gitlab sepcific)
 * typo: 'Koordi[an->na]tion'
 * 'Verzweigen' subtree was misaligned
 * move `reset` command to 'Modifizieren'
 * please `lacheck` by commenting the whitespace after `{`
 * slightl increase bubble size

better message formatting, does one job well, less bloated

Fixes #13

This ensures a more wide aspect ratio, so it fits vertically
on the screen

Fixes: #12

asset size decreases by 75%, whilst the quality, due to
the mostly solid colors, does not drop significantly.

manual word wraps and tree angles

make the vcs tree triangular-ish

The Makefiles clean rule would otherwise fail if no png artifacts are
left.