No search results for "diataxis" (without á)

[hugovk]

Describe the bug A clear and concise description of what the bug is.

1. Go to https://devguide.python.org/ and search for "diataxis"

Actual behavior

No results.

Expected behavior

Find results to https://devguide.python.org/documentation/style-guide/#diataxis (and other index pages)

Additional context

Searching for "diátaxis" with the acute a does give results. We should add a keyword or something so we get results for the ASCII version too.