Move target defintions, actually use the newly created INDEX_TUNE_TARGETS

Add phony targets to give the operations some nice aliases

In Makefile, restore commented out prerequisites, serialize indexing operations (requires Make 4.4+), and resolve TODO as wontdo

Resolve TODO in build.py

Migrate from nested functions to a class in build.py

Use match-case to handle subcommands in index.py

Clean up cache handling

Delete dead open_ondisk function

Make provisioner for filling the index

Renamed TypedDict classes to Kwargs

Stop doing caching for index training because it is now the final product of a subcommand

Start migrating from nested functions to objects

Strip E302 noqa now that the Ruff autoformatter is adding spacing in the end

Fix the tuning script by setting up the queries option correctly

Update README.md with latest changes