VSCE Should Require Minimum Prompts and Assume Defaults

[dkelosky]

Is your feature or enhancement request related to a problem or limitation? Please describe

Describe your enhancement idea

Related to #54 and #85 - we should not prompt users to create a team config or global or user. Instead, for MVP, we should prompt for host, port, and optionally credentials. We can create a minimal "team config" for the user in their current director.

Describe alternatives you've considered

Provide any additional context