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/classes/Platform.md

@@ -0,0 +1,45 @@
+[youtubei.js](../README.md) / Platform
+
+# Class: Platform
+
+## Constructors
+
+### new Platform()
+
+> **new Platform**(): [`Platform`](Platform.md)
+
+#### Returns
+
+[`Platform`](Platform.md)
+
+## Accessors
+
+### shim
+
+> `get` `static` **shim**(): [`PlatformShim`](../namespaces/Types/interfaces/PlatformShim.md)
+
+#### Returns
+
+[`PlatformShim`](../namespaces/Types/interfaces/PlatformShim.md)
+
+#### Defined in
+
+[src/utils/Utils.ts:18](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/utils/Utils.ts#L18)
+
+## Methods
+
+### load()
+
+> `static` **load**(`platform`): `void`
+
+#### Parameters
+
+• **platform**: [`PlatformShim`](../namespaces/Types/interfaces/PlatformShim.md)
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/utils/Utils.ts:15](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/utils/Utils.ts#L15)