Implement EnvironmentalModifier

[Kyle-Ye]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 4.34783% with 66 lines in your changes missing coverage. Please review.
✅ Project coverage is 24.68%. Comparing base (8b68a4e) to head (e9cb1c9).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
.../Modifier/ViewModifier/EnvironmentalModifier.swift	0.00%	60 Missing ⚠️
.../OpenSwiftUICore/Modifier/CustomViewModifier.swift	0.00%	3 Missing ⚠️
Sources/OpenSwiftUICore/View/VariadicView.swift	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #493      +/-   ##
==========================================
- Coverage   24.75%   24.68%   -0.08%     
==========================================
  Files         472      473       +1     
  Lines       27402    27454      +52     
==========================================
- Hits         6783     6776       -7     
- Misses      20619    20678      +59     

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