feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/dayjs/esm/plugin/toArray/index.d.ts

@@ -0,0 +1,10 @@
+import { PluginFunc } from 'dayjs/esm'
+
+declare const plugin: PluginFunc
+export = plugin
+
+declare module 'dayjs/esm' {
+  interface Dayjs {
+    toArray(): number[]
+  }
+}

api.hyungi.net/node_modules/dayjs/esm/plugin/toArray/index.js

@@ -0,0 +1,7 @@
+export default (function (o, c) {
+  var proto = c.prototype;
+
+  proto.toArray = function () {
+    return [this.$y, this.$M, this.$D, this.$H, this.$m, this.$s, this.$ms];
+  };
+});