Create auto cs-fix GithubAction (#21)

* Create auto cs-fix GithubAction

* Kill CS

* Apply php-cs-fixer changes

* Kill CS

* Apply php-cs-fixer changes

* added GITHUB_TOKEN:

* Update cs2pr

* Apply php-cs-fixer changes

* Update csfix.yml

* kill CS

* Apply php-cs-fixer changes

* kill CS

* Apply php-cs-fixer changes

* Update csfix.yml

* kill CS

* Apply php-cs-fixer changes

Author: staabm

.github/workflows/csfix.yml

@@ -0,0 +1,21 @@
+name: Format PHP
+
+on: pull_request
+
+jobs:
+  php-cs-fixer:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        ref: ${{ github.head_ref }}
+
+    - name: Run php-cs-fixer
+      uses: docker://oskarstark/php-cs-fixer-ga
+
+    - uses: stefanzweifel/git-auto-commit-action@v3.0.0
+      with:
+        commit_message: Apply php-cs-fixer changes
+        branch: ${{ github.head_ref }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.STAABM_TOKEN }}