:art: Add TriOsc and the like [skip ci]

diff --git a/plug b/plug
index 522535c79521ca4d0f3419f8c283453881b43a79..730d0849dd264a9bade1ea7c3746715d0068443c 160000 (submodule)
--- a/plug
+++ b/plug
@@ -1 +1 @@
-Subproject commit 522535c79521ca4d0f3419f8c283453881b43a79
+Subproject commit 730d0849dd264a9bade1ea7c3746715d0068443c