Added support for remote storage

[jorgecardleitao]

See updates to README

[codecov-commenter]

Codecov Report

Attention: 130 lines in your changes are missing coverage. Please review.

Comparison is base (148fbe9) 60.32% compared to head (eca0485) 54.38%.

Files	Patch %	Lines
src/fs_azure.rs	0.00%	58 Missing ⚠️
src/aircraft_db.rs	47.45%	31 Missing ⚠️
src/icao_to_trace.rs	54.16%	22 Missing ⚠️
src/fs.rs	68.18%	14 Missing ⚠️
src/airports.rs	0.00%	5 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #10      +/-   ##
==========================================
- Coverage   60.32%   54.38%   -5.94%     
==========================================
  Files          11       13       +2     
  Lines         431      570     +139     
==========================================
+ Hits          260      310      +50     
- Misses        171      260      +89     

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