feat: `hasBatchim` 을 utils에서 별도 함수로 분리합니다.

[okinawaa]

Overview

158

1. hasBatchim, canBeJungseong, canBeJongseong은 원자적인 함수이므로, 독립적인 함수로 위치하는게 자연스럽다고 생각했습니다.
2. hasSingleBatchim 이 hasBatchim과 하는 역할이 비슷하므로, 옵션으로 제어할 수 있도록 하고 함수를 통합합니다.

PR Checklist

• [x] I read and included theses actions below

1. I have read the Contributing Guide
2. I have written documents and tests, if needed.

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Name	Status	Preview	Comments	Updated (UTC)
es-hangul	❌ Failed (Inspect)			Jul 23, 2024 3:15am

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🦋 Changeset detected

Latest commit: 1d2e98c8f47e1af964e4867fcddb97da9527b908

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 97.36%. Comparing base (0cfbed6) to head (1d2e98c). Report is 1 commits behind head on v2.

Additional details and impacted files

[](https://app.codecov.io/gh/toss/es-hangul/pull/195?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=toss) ```diff @@ Coverage Diff @@ ## v2 #195 +/- ## ========================================== - Coverage 97.41% 97.36% -0.05% ========================================== Files 16 16 Lines 271 266 -5 Branches 67 67 ========================================== - Hits 264 259 -5 Misses 6 6 Partials 1 1 ```