Add initial operations

[AleksanderWWW]

Before submitting checklist

• Did you update the CHANGELOG? (not for test updates, internal changes/refactors or CI/CD setup)
• Did you ask the docs owner to review all the user-facing changes?

[codecov]

Codecov Report

Attention: Patch coverage is 76.02740% with 35 lines in your changes are missing coverage. Please review.

Project coverage is 72.73%. Comparing base (f1cffff) to head (7adedfa).
Report is 1 commits behind head on master.

Files	Patch %	Lines
src/neptune/core/operations/operation_visitor.py	0.00%	26 Missing ⚠️
src/neptune/core/operations/operation.py	92.37%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1759      +/-   ##
==========================================
- Coverage   75.19%   72.73%   -2.46%     
==========================================
  Files         246      249       +3     
  Lines       13153    13296     +143     
==========================================
- Hits         9890     9671     -219     
- Misses       3263     3625     +362     

Flag	Coverage Δ
e2e	?
e2e-management	?
e2e-s3	?
e2e-s3-gcs	?
e2e-standard	?
macos	72.56% <76.02%> (-2.54%)	⬇️
py3.10	?
py3.11	?
py3.12	?
py3.7	72.01% <76.02%> (-2.43%)	⬇️
py3.8	72.56% <76.02%> (-2.54%)	⬇️
py3.9	?
ubuntu	71.97% <76.02%> (-3.17%)	⬇️
unit	72.73% <76.02%> (+0.01%)	⬆️
windows	70.73% <76.02%> (-3.01%)	⬇️

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[szysad]

nice one!

[szysad]

use dict[str, Any] typing instead?

[AleksanderWWW]

sure

[szysad]

lgtm!