Add debug log in CommandRegistryAutoConfiguration

Author: fmbenhassine

spring-shell-core-autoconfigure/src/main/java/org/springframework/shell/core/autoconfigure/CommandRegistryAutoConfiguration.java

@@ -42,7 +42,7 @@
 @AutoConfiguration
 public class CommandRegistryAutoConfiguration {
 
-	private static final Log log = LogFactory.getLog(SpringShellAutoConfiguration.class);
+	private static final Log log = LogFactory.getLog(CommandRegistryAutoConfiguration.class);
 
 	@Bean
 	@ConditionalOnMissingBean
@@ -70,6 +70,9 @@ private void registerAnnotatedCommands(ApplicationContext applicationContext, Co
 				log.warn(String.format("Skipping candidate component %s with null class name", candidateComponent));
 				continue;
 			}
+			else {
+				log.debug("Registering commands from component: " + className);
+			}
 			try {
 				Class<?> cls = ClassUtils.forName(className, applicationContext.getClassLoader());
 				ReflectionUtils.MethodFilter filter = method -> AnnotatedElementUtils.hasAnnotation(method,