Add Protobuf encoder support

[Kyle-Ye]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 52.84810% with 149 lines in your changes missing coverage. Please review.

Project coverage is 21.39%. Comparing base (fbf68cc) to head (59be142).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...penSwiftUICore/Data/Protobuf/ProtobufDecoder.swift	60.42%	93 Missing ⚠️
Sources/OpenSwiftUICore/Data/StrongHash.swift	0.00%	27 Missing ⚠️
.../OpenSwiftUICore/Graphic/Color/ColorResolved.swift	0.00%	18 Missing ⚠️
...wiftUICore/Render/DisplayList_StableIdentity.swift	0.00%	9 Missing ⚠️
...penSwiftUICore/Data/Protobuf/ProtobufEncoder.swift	92.59%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #143      +/-   ##
==========================================
+ Coverage   19.88%   21.39%   +1.51%     
==========================================
  Files         223      223              
  Lines        6744     7033     +289     
==========================================
+ Hits         1341     1505     +164     
- Misses       5403     5528     +125     

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