Introduce methods registry

[Balandat]

Summary: This is useful to send information about which method to run as python primitives over the wire. For now this contains a simple Sobol method for illustrative purposes.

Differential Revision: D75578488

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D75578488

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 95.83%. Comparing base (fb858c7) to head (e8c93b8).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3832   +/-   ##
=======================================
  Coverage   95.83%   95.83%           
=======================================
  Files         553      555    +2     
  Lines       54616    54643   +27     
=======================================
+ Hits        52339    52366   +27     
  Misses       2277     2277           

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

:rocket: New features to boost your workflow:

• :snowflake: Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• :package: JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.