* Added draft on transformers to sort and hide fields.

* added structure for the UI.

* draft on sorting/filtering UI.

* simplified the datastructure a bit.

* added draft on drag and drop support.

* added some super simple styling. Nothing final still waiting for a proper design on this.

* updated lockfile after merge.

* changed so we use the new path for button.

* added one more test.

* Ignore feature toggle

* Moved editor to app

* Added top description

* Minor update

* Did some renaming and simplified the code a bit.

* fixed so we dont use capital naming on the transformer.

* changed to an vertical drag and drop design.

* added support to rename fields.

Co-authored-by: Torkel Ödegaard <torkel@grafana.com>