feat: Extraction basics

[godexsoft]

For #1596

This PR implements the transformation from PB to our internal models to be used in ETL ng.

[codecov]

Codecov Report

Attention: Patch coverage is 88.54167% with 11 lines in your changes missing coverage. Please review.

Project coverage is 72.07%. Comparing base (a4b3877) to head (18affb4).
Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/etlng/impl/Extraction.cpp	88.04%	3 Missing and 8 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1733      +/-   ##
===========================================
+ Coverage    71.94%   72.07%   +0.13%     
===========================================
  Files          283      287       +4     
  Lines        12061    12157      +96     
  Branches      6141     6177      +36     
===========================================
+ Hits          8677     8762      +85     
- Misses        1782     1785       +3     
- Partials      1602     1610       +8     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[cindyyan317]

It looks like more structured 💯
I left some comments about makeExtractor and uint256ToString

[cindyyan317]

Nice !!!!