Traefik logo license

Signed-off-by: Emile Vauge <emile@vauge.com>

README.md

@@ -140,4 +140,8 @@ If you prefer commercial support, please contact [containo.us](https://containo.
 
 ## Credits
 
-Kudos to [Peka](http://peka.byethost11.com/photoblog/) for his awesome work on the logo ![logo](docs/img/traefik.icon.png)
+Kudos to [Peka](http://peka.byethost11.com/photoblog/) for his awesome work on the logo ![logo](docs/img/traefik.icon.png).
+Traefik's logo licensed under the Creative Commons 3.0 Attributions license.
+
+Traefik's logo was inspired by the gopher stickers made by Takuya Ueda (https://twitter.com/tenntenn).
+The original Go gopher was designed by Renee French (http://reneefrench.blogspot.com/).