PR checklist

• it builds
• all tests pass
• 100% coverage
• matches the spec
• has correct name
• has help in command
• command class is named as follows [Service][Command]Command, eg. SpoWebRemoveCommand
• it works
• if command contains a parameter to specify URL, it should use getAccessToken instead of ensureAccessToken
• command telemetry doesn't track PII
• doesn't contain commented-out code
• if it's a remove command, does it have a confirm option
• doesn't retrieve form digest if not necessary
• if the request uses json: true, failed promise is handled using handleRejectedODataJsonPromise
• escapes user input in XML and URL
• has relevant examples
• examples use long names of options rather than short ones
• it has an md help page
• md help page is referenced in the toc
• help in md is the same as help in the command
• has only one commit (if not squash)