Add PassFF host app

.init_config.sh

@@ -126,6 +126,8 @@ if [ ! -z "$INIT" ]; then
 	mkdir -p ~/documents ~/images/screenshots ~/videos ~/downloads
 	echo -e "* Allow user to control brightness..."
 	sudo usermod $(whoami) -aG video
+	echo -e "* Install host app for PassFF Firefox extension..."
+	curl -sSL github.com/passff/passff-host/releases/latest/download/install_host_app.sh | bash -s -- firefox
 fi
 
 if [ ! -z ${ENV} ]; then