Move CLI README so that it's easier to find

[atravitz]

I think it's good practice to keep READMEs toward the top of the directory structure.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.84%. Comparing base (ab76a57) to head (9e91118).
Report is 198 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1009      +/-   ##
==========================================
- Coverage   94.59%   92.84%   -1.76%     
==========================================
  Files         134      134              
  Lines        9940     9940              
==========================================
- Hits         9403     9229     -174     
- Misses        537      711     +174     

Flag	Coverage Δ
fast-tests	92.84% <ø> (?)
slow-tests	?

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[IAlibay]

I can see why it was there, and I agree with the move.

Should we open an issue to discuss if we should move it to the sphinx docs?

[IAlibay]

meant to approve sorry

[atravitz]

I can see why it was there, and I agree with the move.

Should we open an issue to discuss if we should move it to the sphinx docs?

I don't think it should live in sphinx docs yet, I want to make sure it's more external-user-friendly first.