Route enhancers example needs to be refactored

[ElectricMaxxx]

@lsmith77 and i addes some comments to the route enhancer example in the cookbook article for the Routing:
a63cc71#commitcomment-5756520
Will try to correct the documentation part this weekend.

[dbu]

this is linked with a PR that changes the route provider. is this issue about the route provider or route enhancers?

[dbu]

@ElectricMaxxx ping

[ElectricMaxxx]

mhh....
@dbu will have a look into my own example i created at work. Atm i can't really remember what it was. :-)