build: setup monorepo workspace for dependent packages

[zimeg]

Summary

This PR sets up workspaces for improved package management.

Requirements

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.09%. Comparing base (a1112e3) to head (3fdec0e).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2478      +/-   ##
==========================================
- Coverage   93.09%   93.09%   -0.01%     
==========================================
  Files          40       40              
  Lines       11240    11239       -1     
  Branches      713      713              
==========================================
- Hits        10464    10463       -1     
  Misses        764      764              
  Partials       12       12              

Flag	Coverage Δ
cli-hooks	95.23% <ø> (ø)
cli-test	94.79% <ø> (ø)
oauth	77.39% <ø> (ø)
socket-mode	61.87% <ø> (ø)
web-api	98.11% <ø> (-0.01%)	⬇️
webhook	96.66% <ø> (ø)

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