refactor(cli): Merge hooks subcommand into init

[Davidyz]

most of the times, hooks only need to be set up once for each repo, so it makes sense to merge it with init.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.24%. Comparing base (9511fa2) to head (561a4c8).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #127   +/-   ##
=======================================
  Coverage   99.23%   99.24%           
=======================================
  Files          22       22           
  Lines        1447     1463   +16     
=======================================
+ Hits         1436     1452   +16     
  Misses         11       11           

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