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/isRenderer.md

@@ -0,0 +1,23 @@
+[youtubei.js](../../../README.md) / [Generator](../README.md) / isRenderer
+
+# Function: isRenderer()
+
+> **isRenderer**(`value`): `string` \| `false`
+
+Check if the given value is a renderer
+
+## Parameters
+
+• **value**: `unknown`
+
+The value to check
+
+## Returns
+
+`string` \| `false`
+
+If it is a renderer, return the class name. Otherwise, return false.
+
+## Defined in
+
+[src/parser/generator.ts:200](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/parser/generator.ts#L200)