add note in comments about dependencies (PortedPlugins and DEIND/sc3-plugins)

scd/1.johchow.scd

@@ -4,6 +4,12 @@
 	inspired by frequency modulation synthesis
 	and innovations in computer music by John Chowning.
 
+	!!! - IMPORTANT - !!!
+
+	YOU NEED PortedPlugins (https://github.com/madskjeldgaard/portedplugins)
+	and DEIND UGens from sc3-plugins (https://github.com/supercollider/sc3-plugins)
+	for this code to work in your SuperColider.
+
 	copyright by Luka Prinčič <luka@lukaprincic.si>
 
 	published under the conditions of Peer Production Licence

scd/2.oceamelt.scd

@@ -3,6 +3,11 @@
 	oceamelt.
 
 
+	!!! - IMPORTANT - !!!
+
+	YOU NEED DEIND UGens from sc3-plugins
+	(https://github.com/supercollider/sc3-plugins)
+	for this code to work in your SuperColider.
 
 */
 (

scd/3.carbdiox.scd

@@ -3,6 +3,12 @@
 
 		carbdiox.
 
+		!!! - IMPORTANT - !!!
+
+		YOU NEED PortedPlugins (https://github.com/madskjeldgaard/portedplugins)
+		and DEIND UGens from sc3-plugins (https://github.com/supercollider/sc3-plugins)
+		for this code to work in your SuperColider.
+
 */
 
 s.waitForBoot({