feat: add ngrok

[russorat]

Thank you for wanting to submit a Pull Request to the Civo Kubernetes Marketplace repository!

If your pull request is to submit a new application to the marketplace, please answer the following questions:

• [x] Have you followed the guidelines in our Contributing document in setting up the application?
• [x] Have you checked that the application your submission is proposing to add does not yet exist on the Marketplace, or as a pull request to be processed?
• [x] Have you tested your application on the Civo managed Kubernetes service? Please include a screenshot.
• [x] Can you confirm that the software you are submitting licensed for use in a publicly-available Kubernetes marketplace?
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I installed the ingress controller in the civo managed k8s service. i didn't see it in the dashboard under applications, but here's the kubectl command output:

[russorat]

ok, i think this is good to go