feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/fclone/README.md

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+# FClone
+
+Clone objects by dropping circular references 
+
+[![Build Status](https://travis-ci.org/soyuka/fclone.svg?branch=master)](https://travis-ci.org/soyuka/fclone)
+
+This module clones a Javascript object in safe mode (eg: drops circular values) recursively. Circular values are replaced with a string: `'[Circular]'`.
+
+Ideas from [tracker1/safe-clone-deep](https://github.com/tracker1/safe-clone-deep). I improved the workflow a bit by:
+- refactoring the code (complete rewrite)
+- fixing node 6+
+- micro optimizations
+- use of `Array.isArray` and `Buffer.isBuffer`
+
+Node 0.10 compatible, distributed files are translated to es2015.
+
+## Installation
+
+```bash
+npm install fclone
+# or
+bower install fclone
+```
+
+## Usage
+
+```javascript
+const fclone = require('fclone');
+
+let a = {c: 'hello'};
+a.b = a;
+
+let o = fclone(a);
+
+console.log(o);
+// outputs: { c: 'hello', b: '[Circular]' }
+
+//JSON.stringify is now safe
+console.log(JSON.stringify(o));
+```
+
+## Benchmarks
+
+Some benchs:
+
+```
+fclone x 17,081 ops/sec ±0.71% (79 runs sampled)
+fclone + json.stringify x 9,433 ops/sec ±0.91% (81 runs sampled)
+util.inspect (outputs a string) x 2,498 ops/sec ±0.77% (90 runs sampled)
+jsan x 5,379 ops/sec ±0.82% (91 runs sampled)
+circularjson x 4,719 ops/sec ±1.16% (91 runs sampled)
+deepcopy x 5,478 ops/sec ±0.77% (86 runs sampled)
+json-stringify-safe x 5,828 ops/sec ±1.30% (84 runs sampled)
+clone x 8,713 ops/sec ±0.68% (88 runs sampled)
+Fastest is util.format (outputs a string)
+```