Add initial version of a Markdown documentation to explain Markdown to new contributors. Also provides a styleguide to guide to a consistent use of the Markdown markup within Codeberg.
Fixes#59
Co-authored-by: Jan Klippel <c0d3b3rg@kl1pp3l.de>
Reviewed-on: https://codeberg.org/Codeberg/Documentation/pulls/221
Co-authored-by: jklippel <jklippel@noreply.codeberg.org>
Co-committed-by: jklippel <jklippel@noreply.codeberg.org>
