BLE HF2 log service (#1549)

* basic hf2 service

* service to send hf2 log messages

* use common console.log

* updated shims

* adding config

* adding simulator

* fix hf2 logging

* hide console blocks

libs/core/helpers.ts

@@ -1,10 +1,3 @@
-namespace console {
-    export function log(msg: string) {
-        serial.writeString(msg);
-        serial.writeString("\r\n");
-    }
-}
-
 namespace Math {
     /**
      * Generates a `true` or `false` value randomly, just like flipping a coin.