Migrate docs from the other repo

docs/reference/music/ring-tone.md

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+# Ring Tone
+
+Play a continuous tone through pin P0.
+
+## Simulator
+
+Simulation of this function is available in many, but not all browsers.
+
+```sig
+music.ringTone(440)
+```
+
+### Parameters
+
+* `frequency` : [Number](/microbit/reference/types/number) - Plays a tone in (Hz)
+
+### Example
+
+Play a sound based on the tile of the device
+
+```blocks
+basic.forever(() => {
+    music.ringTone(input.acceleration(Dimension.X))
+})
+```
+
+### See also
+
+[rest](/microbit/reference/music/rest), [play tone](/microbit/reference/music/play-tone) , [tempo](/microbit/reference/music/tempo), [set tempo](/microbit/reference/music/set-tempo), [change tempo by](/microbit/reference/music/change-tempo-by)
+