* Implement reduceCallback
* Add jsdocs
* implement simplifyCallback in other functions
* Moved recurse to array.js
* Format
* Separate transform callback
* forEach transform
* Renamed applyCallback to simplifyCallback
* Simplified index transform
* renamed to reducedCallback and simplifiedCallback to simpleCallback
* chore: fix linting issue
* Added forEach benchmark
* renamed simplifyCallback to optimizeCallback
---------
Co-authored-by: Jos de Jong <wjosdejong@gmail.com>