Add new commands for Object Groups, permission type

[maheshlokhande1]

• [x] Issue: #166
• [x] List of related PRs. : None
• [x] Project builds without any errors.
• [x] Unit Tests updated (or created where needed) and all pass.
• [x] You have ran manual functional “smoke” test (does product as a whole still work?).
• [x] User Story meets the acceptance criteria - and passes. acceptance criteria should be understood at outset.
• [x] There is a PR for update of internal documentation for the affected Project(s) - README etc.
• [x] Description of the changes: #166
• [x] Signed-off-by: Mahesh Lokhande mahesh.lokhande@ibm.com