Algolia search does not work for docs of older versions

[kevinmingtarja]

Currently, documentation search only works for the docs' latest version (v21.12). I think the older versions are not indexed by algolia.

Screen.Recording.2022-10-04.at.13.19.19.mov

[Rajakavitha1]

Addressed in #415 and #417. Closing this issue for now. Please feel free to reopen if any other changes need to be made.