* Add LinkIcon component
* Visual UI updates
- Refactor some components
- Clearer text display
- Add obvious chevron icon when a "tile" will take the user somewhere else
* dart format
* Adjust release notes
* Add visual separator
* Cleanup unused imports
* Define classes for extra line item
* Display PO extra line items
- Also, some refactoring
* Support extra line items for sales order
* linting fixes
* Update release notes