fixing missing radio rfs

docs/about.md

@@ -98,3 +98,7 @@ using C++, JavaScript and/or ARM thumb.
 ## [Open Source](/open-source)
 
 The code for the micro:bit is [open source](/open-source) on GitHub. Contributors are welcome!
+
+```package
+radio
+```

docs/projects/radio-bridge.md

@@ -36,3 +36,7 @@ input.onButtonPressed(Button.B, function () {
 group = 128
 radio.setGroup(group)
 ```
+
+```package
+radio
+```