Merge pull request '인증 예시 아이디 수정' (#40) from feat/infer_dev_260107 into develop

Reviewed-on: #40

src/main/java/com/kamco/cd/kamcoback/members/dto/SignInRequest.java

@@ -11,7 +11,7 @@ import lombok.ToString;
 @ToString(exclude = "password")
 public class SignInRequest {
 
-  @Schema(description = "사용자 ID", example = "1234567")
+  @Schema(description = "사용자 ID", example = "123456")
   private String username;
 
   @Schema(description = "비밀번호", example = "qwe123!@#")