Function patch

patch(
    proto: Record<string, any>,
    name: string,
    fn: (...args: any[]) => any,
): void
patch a melonJS function
Parameters
- proto: Record<string, any>
  target object
- name: string
  target function
- fn: (...args: any[]) => any
  replacement function
Returns void
Example
```
// redefine the app.update function with a new one
me.plugin.patch(app, "update", function () {
  // display something in the console
  console.log("duh");
  // call the original app.update function
  this._patched();
});
```
- Defined in packages/melonjs/src/plugin/plugin.ts:51