feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/express-validator/lib/chain/context-handler-impl.d.ts

@@ -0,0 +1,13 @@
+import { ContextBuilder } from '../context-builder';
+import { CustomValidator } from '../base';
+import { BailOptions, ContextHandler, OptionalOptions } from './context-handler';
+import { ContextRunner } from './context-runner';
+export declare class ContextHandlerImpl<Chain> implements ContextHandler<Chain> {
+    private readonly builder;
+    private readonly chain;
+    constructor(builder: ContextBuilder, chain: Chain);
+    bail(opts?: BailOptions): Chain;
+    if(condition: CustomValidator | ContextRunner): Chain;
+    optional(options?: OptionalOptions | boolean): Chain;
+    hide(hiddenValue?: string): Chain;
+}