:sparkles: Add Upath, remove lndb_storage

[Zethson]

Fixes #334

Currently copy pasta for a quick fix. Will be improved in a follow up PR as soon as we have time.

[github-actions[bot]]

🚀 Deployed on https://645b6aa3bfb5e00509c4cf73--bionty-kyow.netlify.app

[codecov[bot]]

Codecov Report

Merging #344 (fc2b539) into main (0990345) will decrease coverage by 0.99%. The diff coverage is 61.40%.

@@            Coverage Diff             @@
##             main     #344      +/-   ##
==========================================
- Coverage   75.34%   74.35%   -0.99%     
==========================================
  Files          29       30       +1     
  Lines         803      858      +55     
==========================================
+ Hits          605      638      +33     
- Misses        198      220      +22     

Impacted Files	Coverage Δ
bionty/dev/_upath.py	60.00% <60.00%> (ø)
bionty/__init__.py	100.00% <100.00%> (ø)
bionty/dev/_io.py	50.00% <100.00%> (ø)

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