docs: boast about the contributor count
...because why not, right?
`gnpy`: mesh optical network route planning and optimization library
====================================================================
-|docs| |travis| |doi|
+|docs| |travis| |doi| |contributors|
**`gnpy` is an open-source, community-developed library for building route
planning and optimization tools in real-world mesh optical networks.**
@@ -217,6 +217,11 @@ implementations.
:alt: DOI
:scale: 100%
+.. |contributors| image:: https://img.shields.io/github/contributors-anon/Telecominfraproject/oopt-gnpy
+ :target: https://github.com/Telecominfraproject/oopt-gnpy/graphs/contributors
+ :alt: Code Contributors via GitHub
+ :scale: 100%
+
TIP OOPT/PSE & PSE WG Charter
-----------------------------
