Updated README with examples and NIH.
Updated README with examples and NIH.

[ci skip]

dflydev/dflydev-doctrine-orm-service-provider,localheinz/dflydev-doctrine-orm-service-provider,c960657/dflydev-doctrine-orm-service-provider,straccio/dflydev-doctrine-orm-service-provider,damiankloip/dflydev-doctrine-orm-service-provider