Add initial implementation for PropertyList

[Kyle-Ye]

No description provided.

[codecov-commenter]

Codecov Report

Attention: 208 lines in your changes are missing coverage. Please review.

Comparison is base (dd40763) 14.45% compared to head (f4a844d) 13.25%.

Files	Patch %	Lines
...dStorage/Internal/Property/TODO/PropertyList.swift	0.96%	206 Missing ⚠️
.../DataAndStorage/Internal/UnsafeLockedPointer.swift	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #13      +/-   ##
==========================================
- Coverage   14.45%   13.25%   -1.21%     
==========================================
  Files         131      131              
  Lines        1868     2060     +192     
==========================================
+ Hits          270      273       +3     
- Misses       1598     1787     +189     

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