added remaining LSL2 entities

LSL2/OIEVENT/MENU/RDS_PRE_EPI_ORG.MENU.EDIT.THICKNESS_OVERGROWTH_AVG.json

@@ -0,0 +1,11 @@
+{
+    "header": {
+        "version": 1,
+        "type": "record"
+    },
+    "body": {
+        "record1": {
+            "<1>": "declare function dialog_box\r\n\r\nValToSend = .thick_ovr_avg->text\r\nRetVal = dialog_box( 'RDS_THICK_AVG', @window, ValToSend )\r\nif RetVal <> 'CANCEL' then\r\n   .thick_ovr_avg->text = RetVal\r\n   @@window->savewarn = 1\r\nend\t\r\nRETURN 0"
+        }
+    }
+}