Add support for detection and addition of ome/ngff "standard" into assets summary

[yarikoptic]

TODOs

• test?
• different level of version jump?

we will need to release so that dandi-archive could take advantage of it

[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.

Project coverage is 97.69%. Comparing base (6fc16b8) to head (551faf7).
Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
dandischema/metadata.py	75.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #252      +/-   ##
==========================================
- Coverage   97.75%   97.69%   -0.07%     
==========================================
  Files          16       16              
  Lines        1739     1780      +41     
==========================================
+ Hits         1700     1739      +39     
- Misses         39       41       +2     

Flag	Coverage Δ
unittests	97.69% <77.77%> (-0.07%)	⬇️

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