WIP: V4

[tarampampam]

Description

Fixes # (issue)

Checklist

• [ ] My code follows the style guidelines of this project
• [ ] I have performed a self-review of my own code
• [ ] I have commented on my code, particularly in hard-to-understand areas
• [ ] I wrote unit tests for my code (if tests are required for my changes)
• [ ] I have made changes in the CHANGELOG.md file

[codecov[bot]]

Codecov Report

Merging #96 (773db36) into master (cb176e1) will decrease coverage by 40.92%. The diff coverage is 37.28%.

@@             Coverage Diff             @@
##           master      #96       +/-   ##
===========================================
- Coverage   81.20%   40.28%   -40.93%     
===========================================
  Files          21       16        -5     
  Lines        1043      993       -50     
===========================================
- Hits          847      400      -447     
- Misses        166      569      +403     
+ Partials       30       24        -6     

Impacted Files	Coverage Δ
internal/breaker/os_signal.go	79.16% <ø> (ø)
internal/cli/compress/clients_pool.go	0.00% <0.00%> (ø)
internal/cli/compress/command.go	0.00% <0.00%> (ø)
internal/cli/compress/styles.go	0.00% <0.00%> (ø)
internal/cli/quota/command.go	0.00% <0.00%> (ø)
internal/env/env.go	100.00% <ø> (ø)
internal/version/version.go	100.00% <ø> (ø)
internal/cli/app.go	25.00% <25.00%> (ø)
internal/validate/image.go	72.72% <25.00%> (ø)
cmd/tinifier/main.go	38.09% <40.00%> (-61.91%)	:arrow_down:
... and 7 more

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