Add TupleType and UnsafeTuple

[Kyle-Ye]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 1.78571% with 55 lines in your changes missing coverage. Please review.

Project coverage is 15.96%. Comparing base (cc85388) to head (fa3e87f).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
Sources/OpenGraph/Runtime/TupleType.swift	0.00%	55 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #97      +/-   ##
==========================================
- Coverage   17.21%   15.96%   -1.25%     
==========================================
  Files          23       23              
  Lines         552      595      +43     
==========================================
  Hits           95       95              
- Misses        457      500      +43     

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