update
update
change function .showFOI, delete unnecessary ones
remove reactivePoll and rewrite search tab
remove digest
update vig
update vig to new tab search
dont show dropdown menu when empty
change sr to NULL and change code
adjust .showFOI to addFeaturesOfInterest changes
change saved search --> addFeaturesOfInterest
change preselection of sliderInput to 1
avoid error messages --> if statements with .valuesPCA
update vig
change .searchInd
intending & cosmetic changes
add documentation about functions used
update
intending
solve conflicts after merging