Refactor: 로그인 방식 수정

src/main/java/com/hackathon/nullnullteam/member/controller/MemberController.java

@@ -11,6 +11,7 @@
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -33,7 +34,7 @@ public ResponseEntity<Void> login() {
                 .build();
     }*/
 
-    @GetMapping("/callback")
+    @PostMapping("/callback")
     public ResponseEntity<MemberResponse.Login> registerMember(@RequestBody MemberRequest.Info request) {
         MemberModel.Login memberInfo = memberService.register(request.toCommand());