Log Message:
motyl: update to 1.0.3.

Motyl 1.0.3 (2022-07-28)

- Fix an off-by-one error, we want 20 posts in the Atom feed
- Raise the default to 30 posts in the Atom feed
- Remove unused feedItems directive from motyl.conf
- Add Motyl ASCii logo header (Thanks H7!)
- Add SPDX short license identifier in source file