Allow to map IO and Signals\Handler via the Config

[Baptouuuu]

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[codecov]

Codecov Report

❌ Patch coverage is 26.53061% with 72 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.06%. Comparing base (caa310d) to head (fc45fe2).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/Config.php	26.53%	72 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #27      +/-   ##
============================================
- Coverage     84.40%   80.06%   -4.34%     
- Complexity      223      227       +4     
============================================
  Files            21       21              
  Lines          1218     1314      +96     
============================================
+ Hits           1028     1052      +24     
- Misses          190      262      +72     

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