Add docker image deploy badge.
:target: https://github.com/riga/law/actions?query=workflow%3A%22Lint+and+test%22
:alt: Build status
+.. image:: https://github.com/riga/law/workflows/Deploy%20images/badge.svg
+ :target: https://github.com/riga/law/actions?query=workflow%3A%22Deploy+images%22
+ :alt: Docker images
+
.. image:: https://readthedocs.org/projects/law/badge/?version=latest
:target: http://law.readthedocs.io/en/latest
:alt: Documentation status
@@ -156,4 +160,3 @@ Development
.. marker-after-body
-
