change package,change message_code

src/main/java/ru/soune/nocopy/configuration/JpaConfiguration.java

@@ -0,0 +1,9 @@
+package ru.soune.nocopy.configuration;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+
+@Configuration
+@EnableJpaAuditing
+public class JpaConfiguration {
+}