Release 0.8.0a0

Release Notes for 0.8.0a0

New features

• Added deployments logs command for reading depoyment logs
• Added notebooks create command for creating and starting a new notebook
• Added notebooks start command for starting an existing notebook
• Added notebooks fork command for forking a new notebook
• Added notebooks stop command for stopping a running notebook
• Added notebooks artifacts list command for listing the last workspace artifacts uploaded for a notebook.