build-docs adapt for 2-step installation

Signed-off-by: Pablo Garay <[email protected]>

Author: pablo-garay

.github/workflows/build-docs.yml

@@ -21,4 +21,40 @@ on:
 
 jobs:
   build-docs:
-    uses: NVIDIA-NeMo/FW-CI-templates/.github/workflows/[email protected]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install uv
+        run: |
+          curl -LsSf https://astral.sh/uv/0.8.22/install.sh | sh
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+      - name: Create virtual environment
+        run: uv venv
+
+      - name: Install build dependencies
+        run: uv sync --only-group build
+
+      - name: Install docs dependencies
+        run: uv sync --group docs --no-install-project
+
+      - name: Build documentation
+        run: |
+          source .venv/bin/activate
+          cd docs
+          make html
+
+      - name: Upload docs artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: documentation
+          path: docs/build/html/