Rewriting the radio in TypeScript (#2000)

* Refactoring radio into the ts

* Moving the rest of the radio functionality to the TypeScript

* Removing sim implementation of old radio cpp

* Adding test script

* Removing handler key

* Rename internal functions

* PR feedback

* Refactoring to use event bus

libs/radio/pxt.json

@@ -6,7 +6,8 @@
         "shims.d.ts",
         "enums.d.ts",
         "radio.cpp",
-        "radio.ts"
+        "radio.ts",
+        "deprecated.ts"
     ],
     "icon": "./static/packages/radio/icon.png",
     "public": true,