`Prefer: timezone` no longer requires the schema cache. Previously this required caching `pg_timezone_names` which was slow in some systems. Closes https://github.com/PostgREST/postgrest/issues/5100 and https://github.com/PostgREST/postgrest/issues/4751.
This reverts commit d6c338d588.
d6c338d588
src/ now contains all source code - in subdirectories, according to the .cabal component they belong to. This will allow us to put vendored libraries in the same place - and later split our own code into multiple components/libraries as well.