Add base work for recipes

- Better state sync handling #35
- Adding first recipe for synching and
  persisting a state # 73

spring-statemachine-samples/persist/src/main/resources/data.sql

@@ -0,0 +1,4 @@
+insert into orders (id, state) values (1, 'PLACED');
+insert into orders (id, state) values (2, 'PROCESSING');
+insert into orders (id, state) values (3, 'SENT');
+insert into orders (id, state) values (4, 'DELIVERED');