refactor: API Path 부에 '/' 추가 #2

secondSeminarAdvancedAssignment/src/main/java/sopt/org/secondSeminarAdvancedAssignment/controller/UserController.java

@@ -23,7 +23,7 @@ public ResponseEntity<?> saveUser(@RequestBody UserRequestDto userRequestDto) {
         return new ResponseEntity("유저 저장 완료", HttpStatus.OK);
     }
 
-    @GetMapping("{userId}")
+    @GetMapping("/{userId}")
     public ResponseEntity<?> findUser(@PathVariable Long userId) {
         Optional<User> findUser = userService.findUserById(userId);
 
@@ -39,6 +39,7 @@ public ResponseEntity<?> updateUser(@PathVariable Long userId, @RequestBody User
 
 
 
+
     private ResponseEntity<?> generateUserResponseEntity(Optional<User> user, Long userId) {
         return (user.isEmpty()) ?
                 new ResponseEntity<>(userId + "번 유저에 대한 정보가 존재하지 않습니다.", HttpStatus.NO_CONTENT) :