feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/validator/es/lib/isHash.js

@@ -0,0 +1,21 @@
+import assertString from './util/assertString';
+var lengths = {
+  md5: 32,
+  md4: 32,
+  sha1: 40,
+  sha256: 64,
+  sha384: 96,
+  sha512: 128,
+  ripemd128: 32,
+  ripemd160: 40,
+  tiger128: 32,
+  tiger160: 40,
+  tiger192: 48,
+  crc32: 8,
+  crc32b: 8
+};
+export default function isHash(str, algorithm) {
+  assertString(str);
+  var hash = new RegExp("^[a-fA-F0-9]{".concat(lengths[algorithm], "}$"));
+  return hash.test(str);
+}