[SNOW-921048]Add linter action

[sfc-gh-erojaslizano]

Add linter action

Description

• Add linter.yml workflow
• Add .EditorConfig with default rules
• Add .DS_Store to gitignore

Checklist

• Code compiles correctly
• Code is formatted according to Coding Conventions
• Created tests which fail without the change (if possible)
• All tests passing (dotnet test)
• Extended the README / documentation, if necessary
• Provide JIRA issue id (if possible) or GitHub issue id in PR name

[github-actions]

CLA Assistant Lite bot All contributors have signed the CLA ✍️ ✅

[sfc-gh-erojaslizano]

I have read the CLA Document and I hereby sign the CLA

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.70%. Comparing base (aa5b101) to head (e1050ac).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #892      +/-   ##
==========================================
+ Coverage   84.64%   84.70%   +0.06%     
==========================================
  Files          89       89              
  Lines        9683     9683              
  Branches      917      917              
==========================================
+ Hits         8196     8202       +6     
+ Misses       1259     1253       -6     
  Partials      228      228              

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