Add HubProvider functionality for logrus integration

[ribice]

Resolves #513

[codecov]

Codecov Report

Attention: Patch coverage is 81.25000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 83.61%. Comparing base (e1d804e) to head (b861481).
Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
logrus/logrusentry.go	81.25%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #936      +/-   ##
==========================================
- Coverage   83.70%   83.61%   -0.09%     
==========================================
  Files          49       49              
  Lines        5129     5133       +4     
==========================================
- Hits         4293     4292       -1     
- Misses        680      684       +4     
- Partials      156      157       +1     

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[ribice]

The only thing failing here is the coverage (81% instead of 83%). Do I have to 'fix' it or we can merge as-is?

[cleptric]

Do we have docs for this?