feat: cors 추가

Author: kimeunkyoungg

backend/.gitignore

@@ -46,4 +46,6 @@ db_dev.trace.db
 #src/main/resources/application-*.yml
 src/main/resources/application-secret.yml
 src/main/resources/application-local.yml
-!src/main/resources/application-example.yml
+src/main/resources/application-test.yml
+src/main/resources/application-perf.yml
+!src/main/resources/application-example.yml

backend/src/main/resources/application.yml

@@ -44,6 +44,7 @@ custom:
   cors:
     allowed-origins:
       - http://localhost:3000
+      - http://localhost:5173
       - http://localhost:8080
     allowed-methods:
       - GET