[CI][Docs] Add workflow to deploy docs

.github/actions/setup-environment/action.yaml

@@ -17,6 +17,7 @@ runs:
   steps:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
+      if: hashFiles('/etc/buildkit/buildkitd.toml') != ''
       with:
         buildkitd-config: /etc/buildkit/buildkitd.toml
     - name: Install git and cmake
@@ -47,6 +48,7 @@ runs:
 
     - name: Setup proxy cache
       uses: nv-gha-runners/setup-proxy-cache@main
+      if: hashFiles('/etc/buildkit/buildkitd.toml') != ''
 
     - name: Install Tilus
       id: install-tilus  # Preserve the ID for output

.github/workflows/deploy-docs.yaml

@@ -0,0 +1,48 @@
+name: Deploy Docs
+
+on:
+  push:
+    branches: [main]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.sha }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    if: github.repository == 'NVIDIA/tilus'
+    continue-on-error: true
+    runs-on: yaoyao-centml
+    container:
+      image: nvidia/cuda:12.6.2-devel-ubuntu22.04
+      options: --gpus all
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Setup and Install Tilus
+        id: setup-and-install
+        uses: ./.github/actions/setup-environment
+        with:
+          python-version: '3.10'
+
+      - name: Build docs
+        run: |
+          cd docs
+          make html
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: docs/build/html
+
+  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