main: catch all other events too

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

main.go

@@ -85,6 +85,8 @@ func main() {
 							fmt.Println(string(buf))
 						case *mastodon.ErrorEvent:
 							logrus.Errorf("event was error: %#v", v)
+						default:
+							logrus.Warnf("not sure what to do with %T: %s", v, v)
 						}
 					}
 				}