feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/dayjs/plugin/minMax.d.ts

@@ -0,0 +1,22 @@
+import { PluginFunc } from 'dayjs'
+
+declare const plugin: PluginFunc
+export = plugin
+
+declare module 'dayjs' {
+  export function max(dayjs: [Dayjs, ...Dayjs[]]): Dayjs
+  export function max(noDates: never[]): null
+  export function max(maybeDates: Dayjs[]): Dayjs | null
+
+  export function max(...dayjs: [Dayjs, ...Dayjs[]]): Dayjs
+  export function max(...noDates: never[]): null
+  export function max(...maybeDates: Dayjs[]): Dayjs | null
+
+  export function min(dayjs: [Dayjs, ...Dayjs[]]): Dayjs
+  export function min(noDates: never[]): null
+  export function min(maybeDates: Dayjs[]): Dayjs | null
+
+  export function min(...dayjs: [Dayjs, ...Dayjs[]]): Dayjs
+  export function min(...noDates: never[]): null
+  export function min(...maybeDates: Dayjs[]): Dayjs | null
+}