Merge pull request #1235 from jtpio/gitpod-dev-requirements

Also install dev requirements on Gitpod

.gitpod.yml

@@ -1,10 +1,12 @@
 tasks:
   - init: |
       pip3 install sphinx-autobuild
+      pip3 install -r dev-requirements.txt
       pip3 install -r docs/requirements.txt
       pip3 install -e .
     command: |
       sphinx-autobuild docs/source/ docs/_build/html/
     name: Sphinx preview
+      
 ports:
   - port: 8000