0.16.0

This release contains significant performance improvements, API enhancements for JSPromise / JSBigInt / JSClosure, and documentation improvements.

Merged pull requests:

• Runtime Performance Optimization (#207) via @kateinoigakukun
• Add missing doc comments for more types (#208) via @MaxDesiatov
• Add Int64/UInt64 to Bigint slow conversion (#204) via @kateinoigakukun
• Test native builds with Xcode 14.0 (#206) via @MaxDesiatov
• Support DocC generation in Swift Package Index (#205) via @MaxDesiatov
• Refine benchmark suite (#203) via @kateinoigakukun
• Add diagnostics for those who build with WASI command line ABI (#202) via @kateinoigakukun
• Bump terser from 5.10.0 to 5.14.2 in /Example (#201) via @dependabot[bot]
• Test with uwasi implementation (#198) via @kateinoigakukun
• Add async JSPromise.result property (#200) via @kateinoigakukun
• Asynchronous calls in JSClosure (#157) via @j-f1
• JSPromise(resolver:) usage (#156) via @j-f1