Suggestion Coding Standard

[agungsugiarto]

Is your feature request related to a problem? Please describe.
I am happy to see OAuth 2.0 Server by phpleague come to CodeIgniter4, this is nice to start using oauth2, but before i am jump to this i will recomendating to refactor lot of code between source code and documentation following psr2 or maybe follow coding standard by CodeIgniter4, but i will be prefer to using follow psr2.

Describe the solution you'd like
PHP CodeSniffer is nice tool to refactor code.

Describe alternatives you've considered

Additional context

[ezralazuardy]

thanks for reporting. yes, heimdall still need the implementation of PSR 2 (coding style standard), but currently I don't have time to do that, it'll would be great if you can open a new pull request though, because this library is at it's early stage and need more development.