Add monochrome category icons
These will be used in Kickoff, Discover and any other place that uses category icons. In Discover, the development category icon might also be reused in the get involved card in the application details view/layer.
These will be used in Kickoff, Discover and any other place that uses category icons. In Discover, the development category icon might also be reused in the get involved card in the application details view/layer.