feat: add BigUint class for dimensionless numbers

[LesterEvSe]

Description

Problem*

Resolves

Summary*

I noticed that the standard library can't work with numbers larger than 32 bytes, and the code bigint doesn't work because it uses types u56 and u112. So I adapted the code to blocks of length u32, added a few new methods, and made it generic.

Additional Context

An example of use can be found in the tests. In the generic type, you need to specify the number of blocks that the BigUint type will contain (that is, 4 times more bytes).

Documentation*

Check one:

• No documentation needed.
• Documentation included in this PR.
• [For Experimental Features] Documentation to be submitted in a separate PR.

PR Checklist*

• I have tested the changes locally.
• I have formatted the changes with Prettier and/or cargo fmt on default settings.

[github-actions]

Thank you for your contribution to the Noir language.

Please do not force push to this branch after the Noir team have started review of this PR. Doing so will only delay us merging your PR as we will need to start the review process from scratch.

Thanks for your understanding.

[Savio-Sou]

Hi @LesterEvSe, thank you for submitting the PR!

The https://github.com/noir-lang/noir-bignum library is recently coming to offer arbitrarily-sized BigUInts outside of stdlib. Would you like to give it a spin and see if migrating the PR over there makes sense?

[Savio-Sou]

Closing per off-GitHub discussion following the comment above.

Thank you for the contribution nonetheless!

[LesterEvSe]

Hi @LesterEvSe, thank you for submitting the PR!

The https://github.com/noir-lang/noir-bignum library is recently coming to offer arbitrarily-sized BigUInts outside of stdlib. Would you like to give it a spin and see if migrating the PR over there makes sense?

Yes, I think it makes sense. Your library is more optimized and versatile