chore: remove unused vars

chore: restore clear all selected regions

bugfix: top level flattree does not collapse (#117)
chore: chevron wrong orientation
chore: restore reset region selected
chore: reordered template parcellation selected

feat: separate app nd server

feat: refactored template atlas citations

added animations to toast, changed dropdown, added animation to drop down, added animation to tooltip, added landmark api

angular elements export complete. introduced animation. markdown converter now also uses inner content, added highlight to regions search by text, added bigbrain citation