Add in 'console' doc stuff (#342)

* Add 'playSound' api docs

* Add in 'console' doc stuff

* Add 'send to screen' in summary\

libs/core/console.ts

@@ -51,6 +51,7 @@ namespace console {
      */
     //% blockId=logsendtostreen block="send console to screen"
     //% weight=1
+    //% help=console/send-to-screen
     export function sendToScreen(): void {
         console.screen.attach();
     }