upgrade wiki

dron23 : https://www.dokuwiki.org/plugin:todo

dron23 : https://www.dokuwiki.org/plugin:searchpattern

dron23 : https://www.dokuwiki.org/plugin:config

dron23 : https://www.dokuwiki.org/template:dokuwiki#lightbox/0/

over23 : side panel, make it omnipresent and filled in

over23 : users to add, profiles

over23 : investigate how to write plugin to ping major updates on IRC, parse feed.php?

over23 : add logo - improvised one

over23 : add favicon - improvised one