Add missing .md files. Author entity updated with github

[OStefan2001]

No description provided.

[alexmerlin]

You did not commit the new migration file.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 89 lines in your changes missing coverage. Please review.
✅ Project coverage is 21.12%. Comparing base (3903c81) to head (c197596).
⚠️ Report is 7 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/App/src/Fixture/PostLoader.php	0.00%	36 Missing ⚠️
src/App/src/Fixture/AuthorLoader.php	0.00%	21 Missing ⚠️
src/App/src/Migration/Version20260722123102.php	0.00%	10 Missing ⚠️
src/App/src/Fixture/CategoryLoader.php	0.00%	8 Missing ⚠️
src/Blog/src/Entity/Author.php	0.00%	8 Missing ⚠️
src/App/src/Migration/Version20260723072400.php	0.00%	6 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop      #21      +/-   ##
=============================================
- Coverage      22.46%   21.12%   -1.35%     
- Complexity       178      195      +17     
=============================================
  Files             43       45       +2     
  Lines            819      871      +52     
=============================================
  Hits             184      184              
- Misses           635      687      +52     

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.