Add note and instr. blockly to adv interface

Author: MicheleCarbonera

src/assets/toolbox_adv.xml

@@ -345,4 +345,8 @@
 		<block type="coderbot_audio_listen"></block>
 		<!--<block type="coderbot_conv_get_action"></block>-->
 	</category>
+	<category name="Music" colour="220">
+		<block type="coderbot_music_note_adv"></block>
+		<block type="coderbot_music_instrument_adv"></block>
+	</category>
 </xml>