* feat(plugin-chart-pivot-table): add new plugin
* Implement pivot table chart
* Toggle display of grand totals
* Update table viz name
* Minor changes
* Update types
* Implement transpose pivot
* Keep the original order of metrics when sorting
* Use D3 value formatting
* Fix type error
* Explicitly cast payload to JsonObject to fix type error
* Fix tests
* Update react-pivottable dependency
* Solve merge conflicts
* Change thumbnail
* Replace console logs with TODO comments
* Implement z-a sorting
* Update README
Co-authored-by: Ville Brofeldt <ville.v.brofeldt@gmail.com>