initial commit / basic room funbction

simple Room model/repository/service/controller

src/main/resources/application.properties

@@ -0,0 +1,10 @@
+spring.application.name=hotel
+
+spring.datasource.url=jdbc:sqlite:hotel/data/hotel.sqlite
+spring.datasource.driver-class-name=org.sqlite.JDBC
+
+spring.jpa.database-platform=org.hibernate.community.dialect.SQLiteDialect
+
+spring.jpa.hibernate.ddl-auto=update
+
+spring.jpa.show-sql=true