👍 Add a deploy action

.github/workflows/deploy_doc.yml

@@ -0,0 +1,28 @@
+name: DocFX Build and Publish
+
+on:
+  workflow_dispatch
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 8.0.x
+
+    - name: Install DocFX
+      run: dotnet tool install -g docfx
+
+    - name: Build Documentation
+      run: docfx docs/docfx.json
+
+    - name: Deploy to GitHub Pages
+      uses: peaceiris/actions-gh-pages@v3
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        publish_dir: docs/_site