You add a new group in the admin-view.
- Click on the menu tab groups.
- To create a group within a group, mark the already existing group and click on the symbol in the bottom right corner
- To create a new group without making it a group within a group, make sure none of the groups are selected and click on the symbol in the bottom right corner
- Fill in the group information and click on the confirmation symbol
- You can add a picture for your group
- You can choose color for your group
- You cand always change or add information to your existing groups
Remove a group
Add users to a group
Read the manual here.