Is your feature request related to a problem? Please describe.
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

I am always frustrated when I visited the default values, and I found example of kubernetes auth .
But it is no example about RADIUS auth.

Describe the solution you'd like
I would like an example of authenticating with RADIUS.

Additional context

I am using Vault-Operator, this means my vault instance is created as Vault object ( kind: Vault )