add laminas coding standard

[neenjaw]

Experimental draft PR to evaluate laminas coding standard rules

[Lewiscowles1986]

Do you think keeping coding standards to the PSR minimum for now might be a less opinionated way to educate people about PHP?

[neenjaw]

These coding standards are only applied to the code in the repo, not code submitted by students. If we don't develop opinions about what good code is in the example solutions, likely to see continued PRs based on personal opinions.