added remaining LSL2 entities

LSL2/OIEVENT/READ/WO_PROD_EPI..json

@@ -0,0 +1,11 @@
+{
+    "header": {
+        "version": 1,
+        "type": "record"
+    },
+    "body": {
+        "record1": {
+            "<1>": "$Insert MSG_EQUATES\r\nDeclare subroutine Forward_Event\r\n\r\n   Def = \"\"\r\n   Def<MTEXT$> = \"Loading work order production status. Please wait...\"\r\n   Def<MTYPE$> = \"U\"\r\n   MsgUp = Msg(@window, Def)   ;* display the processing message\r\n\r\n\tForward_Event()\r\n\tMsg(@WINDOW,MsgUp)      ;* Take message down\r\n\r\nRETURN 0"
+        }
+    }
+}