Create GitHub Pages deployment for XLS standards website

Co-authored-by: mvadari <8029314+mvadari@users.noreply.github.com>

Author: Copilot

.github/workflows/deploy.yml

@@ -0,0 +1,56 @@
+name: Deploy XLS Standards to GitHub Pages
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+          
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install markdown beautifulsoup4 jinja2 pyyaml
+          
+      - name: Build site
+        run: python build_site.py
+        
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+        
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: '_site'
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.gitignore

@@ -1,2 +1,4 @@
 .DS_Store
 /.idea
+_site/
+templates/