This PR was merged into the 2.2.x-dev branch.

Discussion
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Docs: Add documentation how to use RoutingServiceProvider

Silex is now on 2.0 and there is zero documentation about [URL Generator](https://silex.symfony.com/doc/1.3/providers/url_generator.html) which became part of RoutingServiceProvider

Commits
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85ce3f09 Docs: Add documentation how to use RoutingServiceProvider