doc: updated README, fix doc site metrics

[fredbi]

Change type

Please select: 🆕 New feature or enhancement|🔧 Bug fix'|📃 Documentation update

Short description

Fixes

Full description

Checklist

• I have signed all my commits with my name and email (see DCO. This does not require a PGP-signed commit
• I have rebased and squashed my work, so only one commit remains
• I have added tests to cover my changes.
• I have properly enriched go doc comments in code.
• I have properly documented any breaking change.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.62%. Comparing base (d1b5e58) to head (130d45a).
⚠️ Report is 6 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #142      +/-   ##
==========================================
+ Coverage   91.60%   91.62%   +0.01%     
==========================================
  Files         103      103              
  Lines       12834    12834              
==========================================
+ Hits        11757    11759       +2     
+ Misses        841      840       -1     
+ Partials      236      235       -1     

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