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/README.md

@@ -0,0 +1,36 @@
+[youtubei.js](../../README.md) / Generator
+
+# Generator
+
+## Index
+
+### Interfaces
+
+- [ObjectInferenceType](interfaces/ObjectInferenceType.md)
+- [PrimativeInferenceType](interfaces/PrimativeInferenceType.md)
+- [RendererInferenceType](interfaces/RendererInferenceType.md)
+
+### Type Aliases
+
+- [ArrayInferenceType](type-aliases/ArrayInferenceType.md)
+- [InferenceType](type-aliases/InferenceType.md)
+- [KeyInfo](type-aliases/KeyInfo.md)
+- [MiscInferenceType](type-aliases/MiscInferenceType.md)
+
+### Functions
+
+- [camelToSnake](functions/camelToSnake.md)
+- [createRuntimeClass](functions/createRuntimeClass.md)
+- [generateRuntimeClass](functions/generateRuntimeClass.md)
+- [generateTypescriptClass](functions/generateTypescriptClass.md)
+- [inferType](functions/inferType.md)
+- [introspect](functions/introspect.md)
+- [isArrayType](functions/isArrayType.md)
+- [isIgnoredKey](functions/isIgnoredKey.md)
+- [isMiscType](functions/isMiscType.md)
+- [isRenderer](functions/isRenderer.md)
+- [isRendererList](functions/isRendererList.md)
+- [mergeKeyInfo](functions/mergeKeyInfo.md)
+- [parse](functions/parse.md)
+- [toParser](functions/toParser.md)
+- [toTypeDeclaration](functions/toTypeDeclaration.md)