feat: add SpotifyPlayer class

.editorconfig

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+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2

.eslintrc.yml

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+---
+
+extends:
+  - eslint:recommended
+  - plugin:@typescript-eslint/recommended
+  - plugin:import/typescript
+
+parser: "@typescript-eslint/parser"
+
+env:
+  browser: true
+  jest: true
+
+plugins:
+  - "@typescript-eslint/eslint-plugin"
+
+rules:
+  "@typescript-eslint/ban-ts-comment": off
+  "@typescript-eslint/explicit-module-boundary-types": off
+  "@typescript-eslint/no-explicit-any": off
+  "@typescript-eslint/no-inferrable-types": off

.gitignore

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+tmp/
+node_modules/
+dist/
+docs/

LICENSE.md

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+# MIT License
+
+Copyright (c) 2021, Alex Shaw
+Copyright (c) 2019, Gil Barbara
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# Spotify Web Player
+
+Spotify Web Player is a TypeScript-enabled API for using the Spotify Web Playback SDK.
+
+The Spotify Web Playback SDK enables developers to stream and play Spotify tracks
+in any web browser that supports [Encrypted Media Extensions](https://www.w3.org/TR/encrypted-media/)
+(currently only FireFox, Google Chrome, and Microsoft Edge are supported).
+
+See the [Web Playback SDK Quick Start](https://developer.spotify.com/documentation/web-playback-sdk/quick-start/) for a quick introduction to the Web Playback SDK, and the [Web Playback SDK Reference](https://developer.spotify.com/documentation/web-playback-sdk/reference/) for a more complete API reference.
+
+## Setup
+
+```bash
+npm i -s spotify-web-player
+```
+
+or
+
+```bash
+yarn add spotify-web-player
+```
+
+## Getting Started
+
+```javascript
+const token = 'SPOTIFY_TOKEN';
+
+const uri = 'spotify:album:51QBkcL7S3KYdXSSA0zM9R';
+
+const spotify = new SpotifyPlayer();
+
+await spotify.connect(token);
+
+spotify.play(uri);
+```
+
+# Authorization
+
+**This library does not handle obtaining a Spotify token. You have to take care of that yourself.**
+
+You have two options:
+
+1. Click [here] to obtain a temporary token. You can pass it to your code, but be aware it will expire after one hour.
+2. Use the Spotify Web API to obtain an access token. See [this gist] for a full example of how to obtain a Spotify token in a web application. This workflow is highly recommended for production apps.
+
+## Acknowledgements
+
+Much of the inspiration for this API comes from Gil Barbara's [react-spotify-web-playback](https://github.com/gilbarbara/react-spotify-web-playback).
+
+## License
+
+Licensed under the [MIT](https://spdx.org/licenses/MIT) license. See [LICENSE.md](LICENSE.md) for more details.
+
+[here]: https://accounts.spotify.com/en/authorize?response_type=token&client_id=adaaf209fb064dfab873a71817029e0d&redirect_uri=https:%2F%2Fdeveloper.spotify.com%2Fdocumentation%2Fweb-playback-sdk%2Fquick-start%2F&scope=streaming%20user-read-email%20user-read-private%20user-library-read%20user-library-modify%20user-read-playback-state%20user-modify-playback-state&show_dialog=true
+[this gist]: https://gist.github.com/Symbitic/95c0f4321b310be3a86eb0adf4a268ff

babel.config.mjs

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+export default function () {
+  return {
+    presets: [
+      '@babel/typescript'
+    ]
+  };
+}