feat(CreatUserDto) : 유저 생성 DTO 추가

#15

src/main/java/client/controller/dto/CreatUserDto.java

@@ -0,0 +1,15 @@
+package client.controller.dto;
+
+import jakarta.servlet.http.HttpServletRequest;
+
+public record CreatUserDto(String name,
+                           String password,
+                           String email,
+                           String userId) {
+    public static CreatUserDto of(final HttpServletRequest request) {
+        return new CreatUserDto(request.getParameter("name"),
+                request.getParameter("password"),
+                request.getParameter("email"),
+                request.getParameter("userId"));
+    }
+}