Update GenerateDocumentation.php
Update GenerateDocumentation.php

Ensure the router is properly read notwithstanding the case in which *Dingo* or *Laravel* is typed.

The is more so important seeing that the documentation gives the options as *Dingo* or *Laravel* but the command reads only *dingo*.
mpociot/laravel-apidoc-generator,mpociot/laravel-apidoc-generator