Pairing documentation worj in progress. UART write block added

libs/microbit-bluetooth/enums.d.ts

@@ -1,4 +1,20 @@
 // Auto-generated. Do not edit.
+
+
+    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 bluetooth {
 }