feat: zksync support for core solidity package

[ljankovic-txfusion]

Description

ZKSync PR 1

This PR introduces ZKSync support for Solidity contracts and restructures build files directory structure.

Drive-by changes

• Added ZKSync compilation support using zksolc via @matterlabs/hardhat-zksync-solc
• Restructured typechain directory location to core-utils/typechain
• Decoupled Hardhat configuration for ZKSync from EVM.
• Updated build process to handle both standard and ZKSync contract artifacts

Related issues

None

Backward compatibility

Yes

Testing

Testing was previously in feat: zksync support PR

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.53%. Comparing base (6c631d8) to head (3adda1d).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5205   +/-   ##
=======================================
  Coverage   77.53%   77.53%           
=======================================
  Files         103      103           
  Lines        2110     2110           
  Branches      190      190           
=======================================
  Hits         1636     1636           
  Misses        453      453           
  Partials       21       21           

Components	Coverage Δ
core	87.80% <ø> (ø)
hooks	79.39% <ø> (ø)
isms	83.68% <ø> (ø)
token	91.27% <ø> (ø)
middlewares	79.80% <ø> (ø)

[yorhodes]