Change the defult Contract to Counter

[Tirthnp]

Motivation

Solution

[Tirthnp]

@mattsse would the changes makes sense ?

[gakonst]

i kinda dont wanna anchor into the Counter as an example - what's the issue with calling the default contract this name?

[mds1]

@gakonst Just curious, why not?

I think counter can be an interesting template, because it leaves room to expand it and have forge init include a very simple test suite that demonstrates each test type.

[mattsse]

ref https://github.com/foundry-rs/foundry/issues/2451

[onbjerg]

i think this is ok, simple enough to resolve #2451, not so big that it will cause a lot of churn over what to add/remove etc

no need to add docs for it although the book does need to be updated since it does reference the default template in some places

[Tirthnp]

Just wanted to confirm about what changes I still need to make ? @onbjerg @mattsse