Add Transaction modifier

[Kyle-Ye]

Close #467

[codecov]

Codecov Report

❌ Patch coverage is 1.85185% with 53 lines in your changes missing coverage. Please review.
✅ Project coverage is 24.53%. Comparing base (c6a2dbd) to head (6e2bfe6).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...re/Animation/Transaction/TransactionModifier.swift	0.00%	50 Missing ⚠️
...wiftUICore/Animation/Transaction/Transaction.swift	33.33%	2 Missing ⚠️
...nimation/Animation/VelocityTrackingAnimation.swift	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #470      +/-   ##
==========================================
- Coverage   24.54%   24.53%   -0.02%     
==========================================
  Files         471      471              
  Lines       27186    27223      +37     
==========================================
+ Hits         6674     6680       +6     
- Misses      20512    20543      +31     

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