Benchmark for React Native (Hermes) target

[cometkim]

Resolves #46

This utilizes perf benchmark bundling to React Native (hermes) target using its default configuration.

Size of the bytecode outputs:

• graphemer: 140 KB
• unicode-segmenter/grapheme 48 KB

Then execute the Hermes bytecode to measure perf of graphemer vs unicode-segmenter/grapheme.

The result on my MacBook Pro M1 laptop:

graphemer (small input)
samples: 1000
duration (avg): 0.326

graphemer (medium input)
samples: 1000
duration (avg): 1.611

unicode-segmenter/grapheme (small input)
samples: 1000
duration (avg): 0.14

unicode-segmenter/grapheme (medium input)
samples: 1000
medium input (avg): 0.674

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Latest commit: db79d82

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (6d02503) to head (db79d82).

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #47   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           18        18           
  Lines         2765      2765           
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  Hits          2765      2765           

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