Added French comic translation

public engagement/cartoon/README.md

@@ -4,4 +4,9 @@ This comic was made by [Nicky Case](https://ncase.me/) to explain how DP-3T work
 
 The original URL of the comic is https://ncase.me/contact-tracing/. The whole website is in the public domain, licensed CC-0, and [available on GitHub](https://github.com/ncase/ncase.github.io).
 
-We would like help *translating the comic*! Please translate (fonts are Patrick Hand and Open Sans) and if you send the files or notify m.veale@ucl.ac.uk, we will upload them to the repo for others to use. If possible, we would appreciate you also licensing your translations CC-0.
+We would like help *translating the comic*! Please translate (fonts are Patrick Hand and Open Sans) and if you send the files or notify m.veale@ucl.ac.uk, we will upload them to the repo for others to use. If possible, we would appreciate you also licensing your translations CC-0.
+
+## Language versions
+[English](https://github.com/DP-3T/documents/tree/master/public%20engagement/cartoon/fr) ([original](https://ncase.me/contact-tracing/))
+[French](https://github.com/DP-3T/documents/tree/master/public%20engagement/cartoon/fr) (by Michel "Meï" MANCIER [@MeiVongola](https://twitter.com/meivongola), [GH:MeixDev](github.com/MeixDev))
+[German](https://twitter.com/heapspark/status/1248339741155774464) (by [@heapspark](https://twitter.com/heapspark), awaiting files before adding to repo)