Support for CF instance sharing

[bfranksap]

Context
We heavily use CF instance shareing to reduce cost for developer deployments

Scope
I want to be able to create a CF ServiceInstance that is actually a shared instace (probably via some instanceRef field

Workarounds & Alternatives
manually share instances

Additional context
https://docs.cloudfoundry.org/devguide/services/sharing-instances.html

[lennardrother]

Hi @bfranksap, a release candidate for #219 is available: CRD image and controller image

It would be great if you could try it out in a separate crossplane of yours and provide feedback. You could use this example. Feel free to reach out if you need help with the installation! 😊