[Access] Implemented and connect Version Control component

[Guitarheroua]

trafficstars

#5788

Implemented a new Version Control component and integrated it to the Access Node

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 55.95855% with 85 lines in your changes missing coverage. Please review.

Project coverage is 41.41%. Comparing base (72db31d) to head (21ce94e).

Files	Patch %	Lines
engine/common/version/version_control.go	73.46%	33 Missing and 6 partials :warning:
cmd/access/node_builder/access_node_builder.go	0.00%	23 Missing :warning:
cmd/observer/node_builder/observer_builder.go	0.00%	23 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5984      +/-   ##
==========================================
+ Coverage   41.39%   41.41%   +0.01%     
==========================================
  Files        1989     1990       +1     
  Lines      141678   141871     +193     
==========================================
+ Hits        58653    58751      +98     
- Misses      76911    77001      +90     
- Partials     6114     6119       +5     

Flag	Coverage Δ
unittests	41.41% <55.95%> (+0.01%)	:arrow_up:

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[peterargue]

@janezpodhostnik can you take a look?