DRAFT: create empty and create_empty_like isolated

[dmitriyrepin]

#687
Redone without any code reuse.

[codecov]

Codecov Report

❌ Patch coverage is 91.78082% with 24 lines in your changes missing coverage. Please review.
✅ Project coverage is 87.51%. Comparing base (c3ba558) to head (3fefea4).
⚠️ Report is 208 commits behind head on main.

Files with missing lines	Patch %	Lines
src/mdio/api/create.py	73.43%	6 Missing and 11 partials ⚠️
tests/integration/test_z_create_empty.py	97.26%	1 Missing and 4 partials ⚠️
tests/integration/testing_helpers.py	95.55%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #736      +/-   ##
==========================================
+ Coverage   85.30%   87.51%   +2.20%     
==========================================
  Files          46       89      +43     
  Lines        2219     5103    +2884     
  Branches      306      345      +39     
==========================================
+ Hits         1893     4466    +2573     
- Misses        281      550     +269     
- Partials       45       87      +42     

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