2.0.7 ⚡️ 2.0.7 Improves handling of Sections and Items PR #595

Adds functionality for sub-items / item-groups
Creates an item mixin, for reusing functionality
Item width calculated based on parent section width
Improved mobile support, long-press for right-click
Adds 2 new themes (lissy and charry-blossom)
Adds 2 new widgets (mullvad-status, and blacklist-check)