Users / Invites / Groups support
Adds support for the following operations around Users / Invites / Groups:
fugue create invite --email test@example.com --expires true|false --group-ids default-admin-group
fugue get invite 4b04a829-47ed-44e7-b0a0-4405b3cdec60
fugue get user 4b04a829-47ed-44e7-b0a0-4405b3cdec60
fugue list users
fugue list users --email test@example.com
fugue list invites
fugue list invites --email test@example.com
fugue create group --name test --policy fugue:EDITOR --environment-ids 4b04a829-47ed-44e7-b0a0-4405b3cdec60,7869f9cf-5f37-409f-8a69-30dec4340c22
fugue create group --name test --policy fugue:EDITOR --all-environments
fugue list groups
fugue update users_groups --user-ids 4b04a829-47ed-44e7-b0a0-4405b3cdec60 --group-ids 7869f9cf-5f37-409f-8a69-30dec4340c22