Update README badges

Author: consideRatio

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: Python package
+name: Test
 
 on: [push, pull_request]
 

README.md

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 # batchspawner for Jupyterhub
 
-[![Build Status](https://img.shields.io/travis/com/jupyterhub/batchspawner?logo=travis)](https://travis-ci.com/jupyterhub/batchspawner)
+[![GitHub Workflow Status - Test](https://img.shields.io/github/workflow/status/jupyterhub/batchspawner/Test?logo=github&label=tests)](https://github.com/jupyterhub/batchspawner/actions)
+[![Latest PyPI version](https://img.shields.io/pypi/v/batchspawner?logo=pypi&logoColor=white)](https://pypi.python.org/pypi/batchspawner)
+[![GitHub](https://img.shields.io/badge/issue_tracking-github-blue?logo=github)](https://github.com/jupyterhub/batchspawner/issues)
+[![Discourse](https://img.shields.io/badge/help_forum-discourse-blue?logo=discourse)](https://discourse.jupyter.org/c/jupyterhub)
+[![Gitter](https://img.shields.io/badge/social_chat-gitter-blue?logo=gitter)](https://gitter.im/jupyterhub/jupyterhub)
+[![Contribute](https://img.shields.io/badge/I_want_to_contribute!-grey?logo=jupyter)](https://github.com/jupyterhub/batchspawner/blob/master/CONTRIBUTING.md)
 
 This is a custom spawner for [Jupyterhub](https://jupyterhub.readthedocs.io/) that is designed for installations on clusters using batch scheduling software.