fix: import缺失

smsb-customer-manager-app/src/main/java/com/inspur/customer/config/KeycloakConfiguration.java

@@ -4,6 +4,7 @@ import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
 import org.keycloak.OAuth2Constants;
 import org.keycloak.admin.client.Keycloak;
 import org.keycloak.admin.client.KeycloakBuilder;
+import org.keycloak.admin.client.resource.RealmResource;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;