Update example.yml

[jpastoor]

The example config does no longer match the expected structure for nats.

This change was introduced here https://github.com/cloudfoundry/gorouter/commit/c69a1e19bd1c14ec8c35b5d074dff7214a5caa6a but not reflected in the example config.

• [x] I have viewed signed and have submitted the Contributor License Agreement

• [x] I have made this pull request to the main branch

• [ ] I have run all the unit tests using scripts/run-unit-tests-in-docker from routing-release.

• [ ] (Optional) I have run Routing Acceptance Tests and Routing Smoke Tests on bosh lite

• [ ] (Optional) I have run CF Acceptance Tests on bosh lite

[linux-foundation-easycla[bot]]

• :x: - login: @jpastoor / name: Joost Pastoor . The commit (d559801b7bfe307535fe33585527a8d7b598b20b) is not authorized under a signed CLA. Please click here to be authorized. For further assistance with EasyCLA, please submit a support request ticket.

[jpastoor]

Not going to sign that CLA since it is requesting post address?! anyways do with the change as you please :)

[MarcPaquette]

@ameowlia, What should we do with this PR, if the contributor doesn't want to sign the CLA?