Algolia search isn't returning some results

[timngyn]

Describe the bug When searching for CUSTOM_AUTH, there are no results returning for this page: https://docs.amplify.aws/lib/auth/switch-auth/q/platform/js/#customauth-flow

To Reproduce Steps to reproduce the behavior:

1. Go to https://docs.amplify.aws/
2. Click on the search box and type CUSTOM_AUTH
3. Verify that there are no results pointing to this page: https://docs.amplify.aws/lib/auth/switch-auth/q/platform/js/#customauth-flow

Expected behavior After searching for CUSTOM_AUTH, I expect to see a search result pointing to the page https://docs.amplify.aws/lib/auth/switch-auth/q/platform/js/#customauth-flow

Screenshots If applicable, add screenshots to help explain your problem.

[timngyn]

There are some other pages that aren't being indexed as well. For example, when searching for Hub, we would expect to find this page: https://docs.amplify.aws/lib/utilities/hub/q/platform/js/