feat: 초기 프로젝트 설정 및 룰.md 파일 추가

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

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+# Inflate Stream
+
+This module implements zlib inflate by hand with a special streaming interface.
+This is used in js-git to inflate git object fragments in a pack-stream.
+
+## inflateStream(onEmit, onUnused) -> onInput
+
+```js
+var onInput = inflateStream(onEmit, onUnused);
+
+someStream.on("data", function (chunk) {
+  onInput(null, chunk);
+});
+
+function onEmit(err, out) {
+  if (err) throw err;
+  // out is a chunk of inflated data
+}
+
+function onUnused(chunks) {
+  // chunks is an array of extra buffers or buffer slices.
+}
+```