feat(backend): Add Icicle as a GPU backend

[PatStiles]

Add Icicle as a GPU backend

Description

This pr adds wrappers for conversion of lambaworks types -> Icicle types and adds methods to interface with the Icicle GPU backend. Upstreaming this conversion into the Icicle repo would remove much of the boilerplate. Closes #353

Type of change

• New feature

Checklist

• Linked to Github Issue
• Unit tests added
• This change requires new documentation.
  • Documentation has been added/updated.
• This change is an Optimization
  • Benchmarks added/run

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.55%. Comparing base (601ab67) to head (8e898ad).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #800   +/-   ##
=======================================
  Coverage   94.55%   94.55%           
=======================================
  Files         154      154           
  Lines       34587    34587           
=======================================
  Hits        32705    32705           
  Misses       1882     1882           

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[MauroToscano]

For some reason it's not compiling locally.

failed to select a version for rayon.
... required by package icicle-core v1.4.0 (https://github.com/ingonyama-zk/icicle.git?tag=v1.4.0#15a63cc5)
... which satisfies git dependency icicle-core of package lambdaworks-math v0.5.0 (/Users/maurofab/workspace/lambdaworks/math)
... which satisfies path dependency lambdaworks-math (locked to 0.5.0) of package arkworks_adapter v0.5.0 (/Users/maurofab/workspace/lambdaworks/provers/groth16/arkworks-adapter)
versions that meet the requirements ^1.8.1 are: 1.9.0, 1.8.1

I'll investigate this a bit

[MauroToscano]

Investigate compilation error

[MauroToscano]

This should be optional. It may not work with no std.