endpoint for version control

[Coiling-Dragon]

Detailed description:

Which issue(s) this PR fixes: Fixes #890

Special notes for your reviewer:

Checklist

• [ ] Documentation added
• [ ] Tests updated

[codecov[bot]]

Codecov Report

Merging #892 (f622a8e) into main (2f23e57) will increase coverage by 0.05%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #892      +/-   ##
==========================================
+ Coverage   63.81%   63.87%   +0.05%     
==========================================
  Files          84       85       +1     
  Lines        6440     6449       +9     
==========================================
+ Hits         4110     4119       +9     
  Misses       2127     2127              
  Partials      203      203              

Flag	Coverage Δ
unittests	63.87% <100.00%> (+0.05%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
app/router/validator-version/validator-version.go	100.00% <100.00%> (ø)