Add GitHub Workflow

.github/workflows/publish.yml

+name: Publish docs via GitHub Pages
+on:
+  workflow_dispatch:
+  # push:
+  #   branches:
+  #     - main
+
+jobs:
+  build:
+    name: Deploy docs
+    runs-on: self-hosted
+    steps:
+      - name: Checkout main
+        uses: actions/checkout@v3
+
+      - name: Deploy docs
+        uses: mhausenblas/mkdocs-deploy-gh-pages@1.25
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CUSTOM_DOMAIN: optionaldomain.com
+          CONFIG_FILE: folder/mkdocs.yml
+          EXTRA_PACKAGES: build-base
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