Create docfx-build-publish.yml

Create GitHub action for building and publishing DocFX documentation website

.github/workflows/docfx-build-publish.yml

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+name: Build and Publish DocFX Website
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the "main" branch
+  push:
+    branches: [ "dev-docs" ]
+
+  # 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:
+  generate-docs:
+    # The type of runner that the job will run on
+    runs-on: windows-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@v4
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 8.x
+
+      - name: Run a multi-line script
+        run: dotnet tool install -g docfx --version 2.75.0
+
+      - name: Build DocFX
+        working-directory: Documentation~
+        run: docfx docfx.json
+        continue-on-error: false
+
+      - name: Publish to Github Pages
+        if: github.ref == 'refs/heads/dev-docs'
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: Documentation~/_site