Weekly index (#1972)

* feat: add build to generate web index of official notebooks

* fix: review comments

* fix: store results

* fix: store results

* fix: --steps

* fix: --steps

* fix: moved to its own dir

.cloud-build/web-index/notebook-index-cloudbuild.yaml

@@ -1,10 +1,4 @@
 steps:
-  # Check the Python version
-  - name: ${_PYTHON_IMAGE}
-    entrypoint: /bin/sh
-    args:
-    - -c
-    - python3 .cloud-build/CheckPythonVersion.py -q
   # Fetch full repo for diff purposes
   - name: gcr.io/cloud-builders/git
     args: [fetch, --unshallow, --quiet]
@@ -21,8 +15,9 @@ steps:
     - -c
     - |
       . workspace/env/bin/activate &&
-      python3 notebooks/notebook_template_review.py --web --title -steps --desc --linkback --notebook-dir=notebooks/official >${_GCS_ARTIFACTS_BUCKET}/web.html
+      python3 notebooks/notebook_template_review.py --web --title --steps --desc --linkback --notebook-dir=notebooks/official >web.html
 artifacts:
   objects:
-    location: ${_GCS_ARTIFACTS_BUCKET}/web.html
+          location: gs://${_GCS_ARTIFACTS_BUCKET}/webdoc
+          paths: ['web.html']
 timeout: 86400s