refactor(validator): extract forging logic to @mainsail/forger package

[sebastijankuzner]

Summary

Checklist

• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

❌ Patch coverage is 92.30769% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 56.97%. Comparing base (a0711c8) to head (7b76898).
⚠️ Report is 2 commits behind head on develop.

Files with missing lines	Patch %	Lines
...es/api-development/source/controllers/consensus.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1292      +/-   ##
===========================================
+ Coverage    56.71%   56.97%   +0.25%     
===========================================
  Files         1123     1125       +2     
  Lines        64897    65085     +188     
  Branches      1781     1853      +72     
===========================================
+ Hits         36808    37083     +275     
+ Misses       27859    27770      -89     
- Partials       230      232       +2     

Flag	Coverage Δ
contracts	98.60% <ø> (?)
packages	56.69% <92.30%> (-0.02%)	⬇️

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