We want to create a set of commands that will help users manage their Permit environments. The following is the skeleton of the commands required in this issue:

• permit env select - selecting a different environment and storing the relevant key. This should incorporate with the following issue and use the same components: Refactoring Login Flow and Handling Errors #13
• permit env copy - will allow users to copy their existing logged-in environment to a new environment and change their active environment to it
• permit env member will allow users to add more members to their environment with proper roles

Acceptance criteria:

• All the above flows are impkemented
• Unit test coverage of 90%
• e2e test of the basic flow of each