merging ble changes

libs/core/enums.d.ts

@@ -311,6 +311,22 @@ declare namespace motors {
     //% block=9600
     BaudRate9600 = 9600,
     }
+
+
+    declare enum Delimiters {
+    //% block="new line"
+    NewLine = 1,
+    //% block=","
+    Comma = 2,
+    //% block="$"
+    Dollar = 3,
+    //% block=":"
+    Colon = 4,
+    //% block="."
+    Fullstop = 5,
+    //% block="#"
+    Hash = 6,
+    }
 declare namespace serial {
 }