Add Github actions workflow publishing to python-example

Add a Github actions workflow that publishes a generated cookiecutter on
the repo vikahl/python-example

.github/workflows/publish-example.yaml

@@ -0,0 +1,63 @@
+name: Publish example to python-example
+
+on:
+  push:
+    branches: [ main ]
+  pull_request: # REMOVE THIS BEFORE MERGE
+    branches: [ main ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  publish-example:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: |
+            3.8
+            3.9
+            3.10
+            3.11
+            3.12
+
+      - name: Install dependencies
+        run: pip install cookiecutter tox
+
+      - run: mkdir -p /tmp/generated
+
+      - run: pwd
+
+      - name: Build example repo
+        working-directory: /tmp/generated
+        run: |
+          cookiecutter --config-file ../config/python-example.yaml \
+            --no-input ../
+
+      - name: Generate requirements
+        working-directory: /tmp/generated/python_example
+        run: tox run -m requirements
+
+      - name: Initialise the git repo
+        working-directory: /tmp/generated/python_example
+        run: |
+          git init
+          git config user.name "Github actions on vikahl/python-template"
+          git config user.email "<>"
+          git remote add python-example "https://vikahl:[email protected]/vikahl/python-example.git"
+
+      - name: Unset header that seems to cause auth issues
+        working-directory: /tmp/generated/python_example
+        run: git config --unset-all http.https://github.com/.extraheader
+
+      - name: Check out a new branch, commit and push
+        working-directory: /tmp/generated/python_example
+        run: |
+          git checkout -b "sync-$COMMIT"
+          git add .
+          git commit -m "Sync from vikahl/python-template $COMMIT"
+          git push python-example main --force

config/python-example.yaml

@@ -0,0 +1,14 @@
+default_context:
+    h: ""
+    project_name: "Python project example"
+    description: "Example project generated from vikahl/python-template"
+    module_name: "python_project_example"
+    author: "Viktor Rimark"
+    email: "[email protected]"
+    homepage: "https://blog.rxbx.se"
+    license: "GPL - ensures that code based on this is shared with the same terms"
+    version: "1.0.0"
+    min_python: "3.8"
+    library: "y"
+    cli: "y"
+    service: "y"