Merge pull request #213 from side-peek/feat/#212-health-check

feat: health check 확인용 api 엔드 포인트 추가

src/main/java/sixgaezzang/sidepeek/common/controller/HealthCheckController.java

@@ -0,0 +1,18 @@
+package sixgaezzang.sidepeek.common.controller;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import sixgaezzang.sidepeek.auth.dto.response.LoginResponse;
+
+@RestController
+@RequestMapping("/health")
+public class HealthCheckController {
+
+    @GetMapping
+    public ResponseEntity<LoginResponse> healthCheck() {
+        return ResponseEntity.ok()
+            .build();
+    }
+}