Workspaces
Overview
Your workspace settings can be found in Settings > Workspaces
Editing Your Workspace Logo

The default logo will be a photos icon. To change or add a new logo, hover over the avatar until the plus button shows up, and click on it. A pop-up folder will show up for you to select the photo you want to update. Or click the "Change" button.
Once you've updated your avatar, you can remove it and it will reset to the default.
Workspace Name
To change your workspace name, edit the input field and click save to save the new workspace name.