feat(workspaces): throw warning /w messaging for `unsupported` commands

[darcyclarke]

Problem statement

Not all of npm's commands make sense to be workspace-aware.

Exit criteria

• All of the following commands should warn & display an unsupported message when workspace options are passed
• Tests are written validating this behavior
• Documentation is updated to identify these commands as not supporting -w / workspaces

Unsupported commands:

• adduser|login
• bin
• birthday
• cache
• completion
• config|get|set
• deprecate
• doctor
• edit
• explore
• help
• help-search
• hook
• logout
• org
• owner
• ping
• prefix
• profile
• search
• shrinkwrap
• star
• team
• token
• unstar
• whoami