converted main.workflow to Actions V2 yml files

Author: cclauss

.github/main.workflow

@@ -0,0 +1,12 @@
+on: push
+name: on push
+jobs:
+  gitHubActionForPytest:
+    name: GitHub Action for pytest
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: GitHub Action for pytest
+      uses: cclauss/GitHub-Action-for-pytest@master
+      with:
+        args: pytest -h