Add publish_api_documentation.yml to master branch for scheduled event to work.

.github/workflows/publish_api_documentation.yml

@@ -0,0 +1,41 @@
+name: publish-api-documentation
+
+on:
+  schedule:
+    - cron: "0 0 * * *"
+  push:
+    tags:
+      - v3.*
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        ref: 3.0
+    - uses: actions/setup-python@v2
+      with:
+        python-version: 3.6
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Install GNS3 server
+      run: |
+        python setup.py install
+    - name: Generate the API documentation
+      run: |
+        cd scripts
+        python3 publish_api_documentation.py
+    - name: Publish the API documentation
+      run: |
+        git config user.name github-actions
+        git config user.email github-actions@github.com
+        git checkout gh-pages
+        git add docs
+        git status
+        git commit -m "Publish API documentation"
+        git push