Automatically generate TOC for utils readme (#486)

* Create create-table-of-contents.yml

* test TOC

* Auto update markdown TOC

* Fix indentation of schema tests

* Auto update markdown TOC

* Outdent all schema tests by one

* tweak workflow file

* Auto update table of contents

* missed one

* Auto update table of contents

* Move stuff around

* Auto update table of contents

* Cleanup after self

* Auto update table of contents

* Update README.md

* Auto update table of contents

* Auto update table of contents

---------

Co-authored-by: joellabes <[email protected]>

Author: joellabes

.github/workflows/create-table-of-contents.yml

@@ -0,0 +1,24 @@
+# This is a basic workflow to help you get started with Actions
+
+name: Update table of contents
+
+# Controls when the workflow will run
+on:
+  push:
+    branches: [main]
+    paths: ['README.md']
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - uses: actions/checkout@v2
+      - run: |
+          curl https://raw.githubusercontent.com/ekalinin/github-markdown-toc/master/gh-md-toc -o gh-md-toc
+          chmod a+x gh-md-toc
+          ./gh-md-toc --insert --no-backup README.md
+          rm ./gh-md-toc
+      - uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: Auto update table of contents