[WIP] Started integration RoutingAuto

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   |
| Fixed tickets | https://github.com/symfony-cmf/cmf-sandbox/issues/265
| License       | MIT
| Doc PR        | 
is there a reason why we do not enable via the CoreBundle?
https://github.com/symfony-cmf/CoreBundle/blob/master/DependencyInjection/CmfCoreExtension.php#L146