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/Utils/functions/findFunction.md

@@ -0,0 +1,30 @@
+[youtubei.js](../../../README.md) / [Utils](../README.md) / findFunction
+
+# Function: findFunction()
+
+> **findFunction**(`source`, `args`): [`FindFunctionResult`](../type-aliases/FindFunctionResult.md) \| `undefined`
+
+Finds a function in a source string based on the provided search criteria.
+
+## Parameters
+
+• **source**: `string`
+
+• **args**: [`FindFunctionArgs`](../type-aliases/FindFunctionArgs.md)
+
+## Returns
+
+[`FindFunctionResult`](../type-aliases/FindFunctionResult.md) \| `undefined`
+
+## Example
+
+```ts
+const source = '(function() {var foo, bar; foo = function() { console.log("foo"); }; bar = function() { console.log("bar"); }; })();';
+const result = findFunction(source, { name: 'bar' });
+console.log(result);
+// Output: { start: 69, end: 110, name: 'bar', node: { ... }, result: 'bar = function() { console.log("bar"); };' }
+```
+
+## Defined in
+
+[src/utils/Utils.ts:288](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/utils/Utils.ts#L288)