Add SonarCloud (#186)

[StefH]

No description provided.

[codecov]

Codecov Report

Merging #190 into master will increase coverage by 0.19%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #190      +/-   ##
==========================================
+ Coverage   82.52%   82.71%   +0.19%     
==========================================
  Files          37       37              
  Lines        3657     3657              
  Branches      493      493              
==========================================
+ Hits         3018     3025       +7     
  Misses        501      501              
+ Partials      138      131       -7

Impacted Files	Coverage Δ
...ystem.Linq.Dynamic.Core/DynamicExpressionParser.cs	70.37% <ø> (ø)	⬆️
...ystem.Linq.Dynamic.Core/Parser/ExpressionParser.cs	77.98% <0%> (+0.16%)	⬆️
src/System.Linq.Dynamic.Core/Parser/TypeHelper.cs	88.2% <0%> (+0.47%)	⬆️
...c/System.Linq.Dynamic.Core/Tokenizer/TextParser.cs	98.03% <0%> (+1.3%)	⬆️

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