docs: auto-generate html to a branch

.github/workflows/docs.yml

@@ -0,0 +1,42 @@
+# This is a basic workflow to help you get started with Actions
+
+name: Build-sphinx-docs
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the main branch
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs: 
+  # This workflow contains a single job called "build"
+  build: 
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v3
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v3
+        with:
+          python-version: 3.11
+          cache: 'pip'
+      - name: Install dependencies
+        run: | 
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+      - name: Build HTML
+        run: | 
+          cd docs/
+          make html
+      - name: Run ghp-import
+        run: | 
+          ghp-import -n -p -f docs/_build/html