add sonarcloud scan badge

[artgish]

🚀 🚀 Pull Request

Checklist:

• My code follows the style guidelines of this project and the Contributing document
• I have commented my code, particularly in hard-to-understand areas
• I have kept the coverage-rate up
• I have performed a self-review of my own code and resolved any problems
• I have checked to ensure there aren't any other open Pull Requests for the same change
• I have described and made corresponding changes to the relevant documentation
• New and existing unit tests pass locally with my changes

Changes

• Add SonarCloud scanner badges
• Fix 404 links

[mikayelh]

what's @istranic's thoughts on these badges? i'm not a fan - can we reduce the amount and keep the most relevant ones?

[mikayelh]

thx for fiing 404s though!!!

[davidbuniat]

please reduce 1 or 2 badges that are most important.

[artgish]

thx for fiing 404s though!!!

@mikayelh , can you verify that new links are corect ones?

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.09 ⚠️

Comparison is base (42d4b5d) 84.91% compared to head (2e328b2) 84.83%.

❗ Current head 2e328b2 differs from pull request most recent head d4b0fce. Consider uploading reports for the commit d4b0fce to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2474      +/-   ##
==========================================
- Coverage   84.91%   84.83%   -0.09%     
==========================================
  Files         328      327       -1     
  Lines       38513    38414      -99     
==========================================
- Hits        32703    32588     -115     
- Misses       5810     5826      +16     

Flag	Coverage Δ
unittests	84.83% <ø> (-0.09%)	⬇️

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see 21 files with indirect coverage changes

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