Example overrides for 'control' api docs (#352)

* Add 'playSound' api docs

* Example overrides for 'control' api docs

docs/reference/control/panic.md

@@ -0,0 +1,13 @@
+# @extends
+
+## Example #example
+
+Send a 'code red' error that you created to the error display if the brick crashes into a wall.
+
+```blocks
+let codeRed = 1
+let codeBlue = 2
+sensors.touch1.onEvent(ButtonEvent.Pressed, function () {
+    control.panic(codeRed)	
+})
+```