Create black-formatter.yml (#232)

.github/workflows/black-formatter.yml

@@ -0,0 +1,32 @@
+name: Black Formatter
+
+on:
+  push:
+    branches:
+      - master
+      
+jobs:
+  linter:
+    name: runner / black
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      
+      - uses: psf/black@stable
+        id: action_black
+        with:
+          options: "-l 80"
+          src: "./pina"
+
+      - name: Create Pull Request
+        if: steps.action_black.outputs.is_formatted == 'true'
+        uses: peter-evans/create-pull-request@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          title: "Format Python code with psf/black push"
+          commit-message: ":art: Format Python code with psf/black"
+          body: |
+            There appear to be some python formatting errors in ${{ github.sha }}. This pull request
+            uses the [psf/black](https://github.com/psf/black) formatter to fix these issues.
+          base: ${{ github.head_ref }} # Creates pull request onto pull request or commit branch
+          branch: actions/black