Add OGTypeNominalDescriptor API

[Kyle-Ye]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 22.37%. Comparing base (3e9b646) to head (26de74f).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
Sources/_OpenGraph/Runtime/OGTypeID.cpp	0.00%	2 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@## main #82 +/- ##
==========================================
- Coverage 22.40% 22.37% -0.04% 
==========================================
Files 51 51 Lines 1272 1274 +2 ==========================================
Hits 285 285 - Misses 987 989 +2 

Flag	Coverage Δ
	22.37% <0.00%> (-0.04%)	⬇️

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