0.21.0

Add issue reporting (#50)

* Added a form to the header for reporting issues

* Use a dev tag for testing on ndip-test

* Update report issue pane based on user feedback

* Clean up the app header

* Reduce space between report issue and help

* Refactor and cleanup the app header

* Address more feedback

* Rename subjects to topics and indent values

* Consolidate help and info panels

* Fix right margin of list items

* Remove dev tag