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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