Update README

README.md

@@ -27,13 +27,14 @@ Most are either Inkscape SVG files with some linked bitmaps, or Makefiles that g
   * Montserrat (35C3) (apt:texlive-fonts-extra & might require [some fc-cache trickery](https://tex.stackexchange.com/questions/361595/xelatex-fc-list-fc-cache-problem))
   * Roboto (36C3 LQDN) (apt:fonts-roboto)
   * IBM 3270 (rC3 RetroComputing Devroom) (apt:fonts-pc-extra)
-  * Compagnon fonts (rC3 LQDN) (apt:fonts-compagnon but I actually had to remove it and install Compagnon-Roman.otf only manually else Inkscape wouldn't find it.)
+  * [Compagnon fonts](https://velvetyne.fr/fonts/compagnon/) (rC3 LQDN) (apt:fonts-compagnon but I actually had to remove it and install Compagnon-Roman.otf only manually else Inkscape wouldn't find it.)
 
 
 ## rC3 2021
 
 Infobeamer proposals :
 * [FOSDEM RetroComputing Devroom](rC3-2021/fosdem_retro).
+* [La Quadrature](rC3-2021/lqdn).
 
 
 ## 36C3