Create folder structure when read from s3

[henrikek]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 10 lines in your changes missing coverage. Please review.

Project coverage is 64.68%. Comparing base (15ffd80) to head (f01037a).

Files	Patch %	Lines
ESSArch_Core/storage/backends/s3.py	0.00%	10 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2314   +/-   ##
=======================================
  Coverage   64.67%   64.68%           
=======================================
  Files         220      220           
  Lines       22630    22635    +5     
  Branches     3555     3557    +2     
=======================================
+ Hits        14637    14642    +5     
+ Misses       7372     7368    -4     
- Partials      621      625    +4     

Flag	Coverage Δ
backend	64.61% <0.00%> (+<0.01%)	⬆️

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