adding control blocks

libs/microbit/control.ts

@@ -1,13 +1,16 @@
+//% weight=1 color="#333333"
 namespace control {
     /**
      * Schedules code that run in the background.
-    //% help=control/in-background shim=micro_bit::runInBackground
      */
+    //% help=control/in-background shim=micro_bit::runInBackground
+    //% blockId="control_in_background" block="run in background"
     export function inBackground(body: Action): void { }
 
     /**
      * Resets the BBC micro:bit.
      */
     //% weight=1 shim=uBit.reset async help=control/reset
+    //% blockId="control_reset" block="reset"
     export function reset() : void { }
 }

libs/microbit/serial.ts

@@ -1,4 +1,4 @@
-//% weight=1
+//% weight=2
 namespace serial {
     /**
      * Prints a line of text to the serial