Add two values to Ranch application for private use

src/ranch.app.src

@@ -13,7 +13,9 @@
 %% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 {application, ranch, [
+	{id, "Ranch"},
 	{description, "Socket acceptor pool for TCP protocols."},
+	{sub_description, "Reusable library for building networked applications."},
 	{vsn, "0.4.0"},
 	{modules, []},
 	{registered, [ranch_sup, ranch_server]},