feat: actuator 설정 추가

src/main/resources/application.yaml

@@ -1,4 +1,7 @@
 server:
+  tomcat:
+    mbeanregistry:
+      enabled: true
   forward-headers-strategy: framework
 
 spring:
@@ -7,6 +10,16 @@ spring:
   jpa:
     open-in-view: false
 
+management:
+  endpoints:
+    web:
+      exposure:
+        include: health,loggers,prometheus
+      base-path: ${ACTUATOR_PATH:/actuator}
+  endpoint:
+    health:
+      show-details: always
+
 payment:
   api-base-url: https://api.tosspayments.com