Improve github actions

Author: davidkennedydev

.github/workflows/python-publish.yml

@@ -34,6 +34,8 @@ jobs:
       run: rm -rf dist/* build/*
     - name: Build package
       run: python setup.py sdist bdist_wheel
+    - name: Check package
+      run: twine check dist/*
     - name: Publish package
       uses: pypa/gh-action-pypi-publish@27b31702a0e7fc50959f5ad993c78deac1bdfc29
       with: