added remaining LSL2 entities

LSL2/OIEVENT/CLOSE/RDS..json

@@ -0,0 +1,11 @@
+{
+    "header": {
+        "version": 1,
+        "type": "record"
+    },
+    "body": {
+        "record1": {
+            "<1>": "declare function check_notes, rds_comm\r\ndeclare subroutine forward_event, yield, Comm_RDS\r\n$insert msg_equates\r\n\r\nComm_RDS('Close')\r\nforward_event( CancelFlag )\r\n\r\n*Void = check_notes()\r\n\r\nRETURN 0"
+        }
+    }
+}