Rename to posterdown.ids

and drop support for other layouts

Change-Id: I8f62e38044f5259bd91bcc5aac551c9d9567d5b2
diff --git a/LICENSE b/LICENSE
index a3a2c22..2288946 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,2 +1,5 @@
 YEAR: 2019
 COPYRIGHT HOLDER: William Brent Thorne
+YEAR: 2024
+COPYRIGHT HOLDER: Marc Kupietz
+