added remaining LSL2 entities

LSL2/OIEVENT/WRITE/SCHED_DET..json

@@ -0,0 +1,11 @@
+{
+    "header": {
+        "version": 1,
+        "type": "record"
+    },
+    "body": {
+        "record1": {
+            "<1>": "\r\nDeclare function Sched_Det\r\n\r\nrv = Sched_Det(CtrlEntId, 'WRITE_PRE')\r\n\r\nReturn rv"
+        }
+    }
+}