stop melody block (#1633)

* docs

* updated strings

docs/reference/music.md

@@ -7,6 +7,7 @@ music.playTone(0, 0);
 music.ringTone(0);
 music.rest(0);
 music.beginMelody(music.builtInMelody(Melodies.Entertainer), MelodyOptions.Once);
+music.stopMelody(MelodyStopOptions.All);
 music.onEvent(MusicEvent.MelodyNotePlayed, () => {});
 music.beat(BeatFraction.Whole);
 music.tempo();
@@ -17,5 +18,7 @@ music.setTempo(120);
 ## See Also
 
 [playTone](/reference/music/play-tone), [ringTone](/reference/music/ring-tone), [rest](/reference/music/rest),
-[beginMelody](/reference/music/begin-melody), [onEvent](/reference/music/on-event),
+[beginMelody](/reference/music/begin-melody), 
+[stop melody](/reference/music/stop-melody),
+[onEvent](/reference/music/on-event),
 [beat](/reference/music/beat), [tempo](/reference/music/tempo), [changeTempoBy](/reference/music/change-tempo-by), [setTempo](/reference/music/set-tempo),

docs/reference/music/stop-melody.md

@@ -0,0 +1,27 @@
+# Stop Melody
+
+Stops playing a musical melody.
+
+## Simulator
+
+```sig
+music.stopMelody(MelodyStopOptions.All)
+```
+
+## Parameters
+
+* ``options`` specifies which melodies (foreground, background or both) need to be stopped
+
+## Example
+
+This example plays the ``Entertainer`` built-in melody.
+
+```blocks
+music.beginMelody(music.builtInMelody(Melodies.Entertainer), MelodyOptions.Forever)
+basic.pause(5000)
+music.stopMelody(MelodyStopOptions.All)
+```
+
+## See also
+
+[start melody](/reference/music/begin-melody)