Added Playback Rate functionality (#933)

* Add () to openAudioControls function call

* Duplicate new placeholder modal

* Add to app.modals

* Make modal do something

* Changed input to slider

* Change i18n string name and remove con.log

* Finalized i18n strings

* Add to store.ts and update i18n hehe

* Save rate to cfg

* fuck off

* AAHH

* Make auto-set more reliable

* no nightcore stuff here

Co-authored-by: cryptofyre <cryptofyre@cryptofyre.org>

src/main/base/store.ts

@@ -68,6 +68,7 @@ export class Store {
             "maxVolume": 1,
             "lastVolume": 1,
             "muted": false,
+            "playbackRate": '1',
             "quality": "HIGH",
             "seamless_audio": true,
             "normalization": false,