📝 [Report] Add changeset

.changeset/seven-taxis-sip.md

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+---
+'earwurm': minor
+---
+
+Fix issue "stopping" a `Sound` that was never "started".
+Include a `neverStarted: boolean;` property in the `SoundEndedEvent`.
+New `volume` change event for `Earwurm`, `Stack`, and `Sound`.
+New `mute` change event for `Earwurm`, `Stack`, and `Sound`.
+New `library` change event for `Earwurm`.
+New `queue` change event for `Stack`.
+New `speed` change event for `Sound`.
+`speed` Setter now clamps the value between `0.25` and `4`.
+New `progress` change event.
+New `progress` Getter.
+New `state > ending` value.
+Renamed all `statechange` events to `state`.
+No longer setting `mute = false` when "pausing".
+Avoid re-initializing an existing `Stack` when `.add()` is passed an identical `id + path`.
+Removed `LibraryKeys` type, instead using `StackIds[]` directly.
+Now exporting `tokens` object with some usual values.
+Updated `docs/api.md` to include details on all the newly added / changed code.