feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/js-git/doc/lib/deflate.md

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+# Deflate
+
+This module implements a simple interface that when normal given data, returns the deflated version in a callback.  This wraps the pako dependency.
+
+## deflate(inflated) => deflated
+
+```js
+var deflate = require('js-git/lib/deflate');
+
+var deflated = deflate(original);
+```