Add rule "no-empty-chunks"

[forman]

Added rule "no-empty-chunks".

Checklist (strike out non-applicable):

• Changes documented in CHANGES.md
• Related issue exists and is referred to in the PR description and CHANGES.md
• Added docstrings and API docs for any new/modified user-facing classes and functions
• Changes/features documented in docs/*
• Unit-tests adapted/added for changes/features
• Test coverage remains or increases (target 100%)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.31%. Comparing base (e4f0ee4) to head (4577887).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #28      +/-   ##
==========================================
+ Coverage   97.30%   97.31%   +0.01%     
==========================================
  Files          56       57       +1     
  Lines        2223     2236      +13     
  Branches      304      306       +2     
==========================================
+ Hits         2163     2176      +13     
  Misses         32       32              
  Partials       28       28              

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