feat: add notifications command to CLI#8

sweetmantech merged 2 commits intomainrecoupable/cli:mainfrom

sweetmantech/myc-4335-cli-notifications-add-command-to-the-cli-so-agents-can-sendrecoupable/cli:sweetmantech/myc-4335-cli-notifications-add-command-to-the-cli-so-agents-can-sendCopy head branch name to clipboard