docs: show a DOI
As per Alessio's request, this adds a DOI and makes this software
citeable. DOIs are assigned automatically via Zenodo in a process that's
integrated with GitHub.
`gnpy`: mesh optical network route planning and optimization library
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-|docs| |build|
+|docs| |build| |doi|
**`gnpy` is an open-source, community-developed library for building route
planning and optimization tools in real-world mesh optical networks.**
@@ -601,6 +601,11 @@ implementations.
:alt: Build Status
:scale: 100%
+.. |doi| image:: https://zenodo.org/badge/96894149.svg
+ :target: https://zenodo.org/badge/latestdoi/96894149
+ :alt: DOI
+ :scale: 100%
+
TIP OOPT/PSE & PSE WG Charter
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