OMG! Hi!!!
Markdown converter -Has both CLI and web interface: https://pandoc.org and https://pandoc.org/getting-started.html
Formatting Reference: https://www.mediawiki.org/wiki/Help:Starting_a_new_page https://www.mediawiki.org/wiki/Help:Formatting https://www.mediawiki.org/wiki/Help:Lists https://www.mediawiki.org/wiki/Help:Links https://meta.wikimedia.org/wiki/Help:Piped_link https://www.mediawiki.org/wiki/Help:Images https://www.mediawiki.org/wiki/Manual:$wgAllowExternalImages (so external images are not allowed basically) https://www.mediawiki.org/wiki/Manual:Linked_images https://www.mediawiki.org/wiki/Help:Tables
Scratchpads: