Hints for jacktrip-gui in main

Hints

• asv-relation-control-in-requires
  :41 -
  Found a user input control relation in a `requires` tag. This means users will not be able to even install the component without having the defined input control available on the system. This is usually not intended and you want to use `control` in the `recommends` tag instead.
• asv-relation-control-in-requires
  :42 -
  Found a user input control relation in a `requires` tag. This means users will not be able to even install the component without having the defined input control available on the system. This is usually not intended and you want to use `control` in the `recommends` tag instead.