chore: add proper documentation (#763)

* chore: generate API ref using `typedoc`

* chore: declutter readme and add links to ytjs.dev

* chore: clean up

docs/api/namespaces/Clients/classes/Studio.md

@@ -0,0 +1,89 @@
+[youtubei.js](../../../README.md) / [Clients](../README.md) / Studio
+
+# Class: Studio
+
+## Constructors
+
+### new Studio()
+
+> **new Studio**(`session`): [`Studio`](Studio.md)
+
+#### Parameters
+
+• **session**: [`Session`](../../../classes/Session.md)
+
+#### Returns
+
+[`Studio`](Studio.md)
+
+#### Defined in
+
+[src/core/clients/Studio.ts:26](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/core/clients/Studio.ts#L26)
+
+## Methods
+
+### updateVideoMetadata()
+
+> **updateVideoMetadata**(`video_id`, `metadata`): `Promise`\<[`ApiResponse`](../../../interfaces/ApiResponse.md)\>
+
+Updates the metadata of a video.
+
+#### Parameters
+
+• **video\_id**: `string`
+
+• **metadata**: `Partial`\<`object`\>
+
+#### Returns
+
+`Promise`\<[`ApiResponse`](../../../interfaces/ApiResponse.md)\>
+
+#### Example
+
+```ts
+const videoId = 'abcdefg';
+const thumbnail = fs.readFileSync('./my_awesome_thumbnail.jpg');
+
+const response = await yt.studio.updateVideoMetadata(videoId, {
+  tags: [ 'astronomy', 'NASA', 'APOD' ],
+  title: 'Artemis Mission',
+  description: 'A nicely written description...',
+  category: 27,
+  license: 'creative_commons',
+  thumbnail,
+  // ...
+});
+```
+
+#### Defined in
+
+[src/core/clients/Studio.ts:48](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/core/clients/Studio.ts#L48)
+
+***
+
+### upload()
+
+> **upload**(`file`, `metadata`): `Promise`\<[`ApiResponse`](../../../interfaces/ApiResponse.md)\>
+
+Uploads a video to YouTube.
+
+#### Parameters
+
+• **file**: `BodyInit`
+
+• **metadata**: `Partial`\<`object`\> = `{}`
+
+#### Returns
+
+`Promise`\<[`ApiResponse`](../../../interfaces/ApiResponse.md)\>
+
+#### Example
+
+```ts
+const file = fs.readFileSync('./my_awesome_video.mp4');
+const response = await yt.studio.upload(file.buffer, { title: 'Wow!' });
+```
+
+#### Defined in
+
+[src/core/clients/Studio.ts:151](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/core/clients/Studio.ts#L151)