demos --> examples

examples/ is pretty standard whereas demos/ isn't. So I just refactored that.

Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>

examples/springboot/overlays/production/application.properties

@@ -0,0 +1,5 @@
+app.name=Staging Kinflate Demo
+spring.jpa.hibernate.ddl-auto=update
+spring.datasource.url=jdbc:mysql://<production_db_ip>:3306/db_example
+spring.datasource.username=root
+spring.datasource.password=admin