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/Generator/functions/isIgnoredKey.md

@@ -0,0 +1,23 @@
+[youtubei.js](../../../README.md) / [Generator](../README.md) / isIgnoredKey
+
+# Function: isIgnoredKey()
+
+> **isIgnoredKey**(`key`): `boolean`
+
+Is this key ignored by the parser?
+
+## Parameters
+
+• **key**: `string` \| `symbol`
+
+The key to check
+
+## Returns
+
+`boolean`
+
+Whether or not the key is ignored
+
+## Defined in
+
+[src/parser/generator.ts:398](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/parser/generator.ts#L398)