Add repository config transition type

- Add transition type to RepositoryTransition
- Relates to #262

spring-statemachine-data/src/main/java/org/springframework/statemachine/data/RepositoryStateMachineModelFactory.java

@@ -160,7 +160,8 @@ public class RepositoryStateMachineModelFactory extends AbstractStateMachineMode
 				}
 			}
 
-			transitionData.add(new TransitionData<>(t.getSource(), t.getTarget(), t.getEvent(), actions, null, TransitionKind.EXTERNAL));
+			TransitionKind kind = t.getKind();
+			transitionData.add(new TransitionData<>(t.getSource(), t.getTarget(), t.getEvent(), actions, null, kind != null ? kind : TransitionKind.EXTERNAL));
 		}
 		TransitionsData<String, String> transitionsData = new TransitionsData<>(transitionData);
 

spring-statemachine-data/src/main/java/org/springframework/statemachine/data/RepositoryTransition.java

@@ -17,6 +17,8 @@ package org.springframework.statemachine.data;
 
 import java.util.Set;
 
+import org.springframework.statemachine.transition.TransitionKind;
+
 /**
  * Generic interface representing transition entity.
  *
@@ -59,4 +61,11 @@ public interface RepositoryTransition {
 	 * @return the actions
 	 */
 	Set<? extends RepositoryAction> getActions();
+
+	/**
+	 * Gets the transition kind.
+	 *
+	 * @return the transition kind
+	 */
+	TransitionKind getKind();
 }