Add sounds (only simulator for now)

libs/music/_locales/music-jsdoc-strings.json

@@ -1,9 +1,12 @@
 {
+  "Sound.buffer": "Returns the underlaying Buffer object.",
+  "Sound.play": "Play sound with given volume.",
   "music": "Generation of music tones.",
   "music.beat": "Return the duration of a beat in milliseconds (the beat fraction).",
   "music.beat|param|fraction": "the fraction of the current whole note, eg: BeatFraction.Half",
   "music.changeTempoBy": "Change the tempo up or down by some amount of beats per minute (bpm).",
   "music.changeTempoBy|param|bpm": "The change in beats per minute to the tempo, eg: 20",
+  "music.fromWAV": "Makes a sound bound to a buffer in WAV format.",
   "music.noteFrequency": "Get the frequency of a note.",
   "music.noteFrequency|param|name": "the note name, eg: Note.C",
   "music.playSound": "Start playing a sound and don't wait for it to finish.\nNotes are expressed as a string of characters with this format: NOTE[octave][:duration]",

libs/music/_locales/music-strings.json

@@ -42,5 +42,7 @@
   "music.stopAllSounds|block": "stop all sounds",
   "music.tempo|block": "tempo (bpm)",
   "music|block": "music",
-  "{id:category}Music": "Music"
+  "{id:category}Music": "Music",
+  "{id:category}Sound": "Sound",
+  "{id:category}Sounds": "Sounds"
 }