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/mergeKeyInfo.md

@@ -0,0 +1,35 @@
+[youtubei.js](../../../README.md) / [Generator](../README.md) / mergeKeyInfo
+
+# Function: mergeKeyInfo()
+
+> **mergeKeyInfo**(`key_info`, `new_key_info`): `object`
+
+Merges two sets of key info, resolving any conflicts
+
+## Parameters
+
+• **key\_info**: [`KeyInfo`](../type-aliases/KeyInfo.md)
+
+The current key info
+
+• **new\_key\_info**: [`KeyInfo`](../type-aliases/KeyInfo.md)
+
+The new key info
+
+## Returns
+
+`object`
+
+The merged key info
+
+### changed\_keys
+
+> **changed\_keys**: [`string`, [`InferenceType`](../type-aliases/InferenceType.md)][]
+
+### resolved\_key\_info
+
+> **resolved\_key\_info**: [`string`, [`InferenceType`](../type-aliases/InferenceType.md)][]
+
+## Defined in
+
+[src/parser/generator.ts:736](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/parser/generator.ts#L736)