Add cli commands for extract pkgs and replacing files in pkgs

[henriquegemignani]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 35 lines in your changes missing coverage. Please review.

Project coverage is 76.24%. Comparing base (c389ebc) to head (f47c015).
Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
src/mercury_engine_data_structures/cli.py	0.00%	35 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #214      +/-   ##
==========================================
- Coverage   76.98%   76.24%   -0.75%     
==========================================
  Files          76       76              
  Lines        3494     3528      +34     
==========================================
  Hits         2690     2690              
- Misses        804      838      +34     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[ThanatosGit]

If it's going to be part of the cli, is there any reason to keep tools/extract_pkg.py?

[henriquegemignani]

Not really, but I'd rather delete it later. It does weird shenanigans with custom names and whatever that I'm not sure works, plus it's pretty spread that it exists so let people use what they know.