Save more metadata about a cluster into secret store

[morningspace]

The current implementation has already saved server URL, user, password into secret store. This is sufficient for daily cluster access from command line. But it in some cases, you may feel inconvenience if you want to login to the OCP console which is in web browser, where you need to know the Console URL, and you still need to fill in the user password. Ideally, we can have more metadata saved into secret store such as OCP console URL, long description about the cluster, etc., so that user can view them when needed.