added remaining LSL2 entities

LSL2/OIEVENT/GOTFOCUS/RDS_LAYERS.THICKNESS_READINGS.json

@@ -0,0 +1,11 @@
+{
+    "header": {
+        "version": 1,
+        "type": "record"
+    },
+    "body": {
+        "record1": {
+            "<1>": "declare function rds_comm2\r\ndeclare subroutine forward_event\r\n\r\nforward_event(PrevFocusID)\r\nVoid = set_property( @window, '@CurControlName', 'THICKNESS_READINGS' )\r\nVoid = rds_comm2( \"WAF_SIZE_SET\" )\r\nRETURN 0"
+        }
+    }
+}