feat: adds support for stream mode

[tbckr]

Add support for stream mode.

Additionally, refactoring was done to implement this feature. The directory layout was restructured to the go pkg format.

[codecov]

Codecov Report

Attention: 25 lines in your changes are missing coverage. Please review.

Comparison is base (b90605c) 75.40% compared to head (d5a48cc) 75.59%.
Report is 1 commits behind head on main.

Files	Patch %	Lines
pkg/api/api.go	73.97%	13 Missing and 6 partials ⚠️
pkg/cli/root.go	64.70%	4 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #183      +/-   ##
==========================================
+ Coverage   75.40%   75.59%   +0.19%     
==========================================
  Files          16       19       +3     
  Lines        1053     1176     +123     
==========================================
+ Hits          794      889      +95     
- Misses        184      207      +23     
- Partials       75       80       +5     

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