feat: CIにBiomeリンターを追加

- npm testでBiomeのlintチェックを実行
- コード品質の向上とCI時の品質保証を強化

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: azu

package.json

@@ -36,7 +36,7 @@
         "lint": "biome check ./",
         "prepare": "git config --local core.hooksPath .githooks",
         "prepublishOnly": "npm run build",
-        "test": "npm run test:unit && npm run lint:text && npm run lint:README",
+        "test": "npm run test:unit && npm run lint && npm run lint:text && npm run lint:README",
         "lint:text": "textlint README.md",
         "lint:README": "bash lint-README.sh",
         "test:unit": "textlint-scripts test",