Upstream changes
- schema: don't use 'create index if not exists' syntax because mysql doesn't support it
- experimental, af_psql_trgm: attempt to pseudo-normalize returned mysql score values by dividing by match length
- implement native fulltext search on mysql
- schema: add fulltext indexes for mysql to support af_psql_trgm and possibly future fulltext search
- af_psql_trgm: add support for querying against mariadb FULLTEXT indexes
- Merge branch 'weblate-integration'
- Translated using Weblate (Ukrainian)