Add DocC documentation deployment workflow

Author: 0xLeif

.github/workflows/docs.yml

@@ -0,0 +1,44 @@
+name: Documentation
+
+on:
+  push:
+    branches: [ main ]
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Select Xcode
+      run: sudo xcode-select -s /Applications/Xcode_16.0.app/Contents/Developer
+
+    - name: Build Documentation
+      run: |
+        swift package --allow-writing-to-directory ./docs \
+          generate-documentation --target Algorand \
+          --disable-indexing \
+          --transform-for-static-hosting \
+          --hosting-base-path swift-algorand \
+          --output-path ./docs
+
+    - name: Upload Pages artifact
+      uses: actions/upload-pages-artifact@v3
+      with:
+        path: ./docs
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+    - name: Deploy to GitHub Pages
+      id: deployment
+      uses: actions/deploy-pages@v4