feat(org): support setting a default team when inviting new users

[darcyclarke]

Summary

The CLI should support setting the default team a user is added to when invited to an organization. Currently, this always defaults to "developers" but should is now configurable on the website

Exit Criteria

• npm org set should now support a new --team flag
  • default value is: undefined or developers whichever makes more sense
  • note: the website/registry already defaults to developers, this is just a matter of whether we want to send this value in the API request when --team isn't defined
• Tests are written to reflect new capabilities
• Documentation is updated to reflect new capabilities

Example

npm org set github @mona --team=npm-cli

References

• https://docs.npmjs.com/cli/v8/commands/npm-org
• https://www.npmjs.com/org/npmcorp/invite?track=existingOrgAddMembers

Website Implementation