You can add spaces to the dock like so: https://www.imore.com/add-space-your-mac-dock
The result looks like this:
However, the dock widget for the touch bar does not respect those spaces if I select "Show like in macOS dock".
- Type of Mac: MBP-2019 16 inch
- macOS version: 11.1
- BetterTouchTool version: 3.508