Add steps to build

.github/workflows/python-package.yml

@@ -752,7 +752,7 @@ jobs:
     - name: Run Machete
       run: cargo machete --with-metadata
 
-  doctests:
+  docbuild:
     runs-on: ubuntu-latest
     continue-on-error: true
     env:
@@ -787,8 +787,30 @@ jobs:
       run: |
         source activate
         maturin develop
+
+  doc-tests:
+    runs-on: ubuntu-latest
+    needs: docbuild
+    steps:
+    - name: Run doctests
+      run: |
+        source activate
         pytest --doctest-modules --continue-on-collection-errors daft/dataframe/dataframe.py daft/expressions/expressions.py daft/convert.py daft/udf.py
 
+  doc-gen:
+    runs-on: ubuntu-latest
+    needs: docbuild
+    steps:
+    - name: Generate docs
+      run: |
+        source activate
+        cd docs/
+        make html
+    - name: Upload docs
+      uses: actions/upload-artifact@v4
+      with:
+        name: html-docs
+        path: docs/build/html
 
   publish-coverage-reports:
     name: Publish coverage reports to CodeCov