add list

aps

@@ -164,6 +164,9 @@ help(){
 	echo "upgrade - Upgrades from package repository."
 	echo "remove  - Removes a package from /var/aps/installed and it's install files (payloadfiles)."	
 }
+list(){
+	ls ${installed_pkg_database} | sed 's/^README.md//g'
+}
 main() {
     if [ -f "${lock}" ]; then
         echo "[E] A lock file already exists (another instance of the package manager could be running). If you're sure no package manager is running, remove the file ${lock}."
@@ -184,6 +187,7 @@ main() {
         upgrade) upgrade "official" ;;
 	help) help ;;
 	version) version ;;
+	list) list ;;
         *) die "[E] Invalid option ${1}, exiting..." ;;
     esac
     rm "${lock}"