fix: create config dir for uuid if not exists + tests

[Shadow53]

Resolves #62

[netlify]

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[codecov]

Codecov Report

Merging #64 (c3986df) into main (796d64f) will decrease coverage by 0.04%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main      #64      +/-   ##
==========================================
- Coverage   48.19%   48.15%   -0.05%     
==========================================
  Files          23       23              
  Lines        1332     1325       -7     
==========================================
- Hits          642      638       -4     
+ Misses        690      687       -3     

Impacted Files	Coverage Δ
src/checkers/history/last_paths.rs	52.42% <ø> (+5.25%)	⬆️
src/checkers/history/mod.rs	0.00% <0.00%> (ø)
src/config/builder/environment/mod.rs	100.00% <ø> (ø)
src/config/builder/envtrie.rs	89.47% <0.00%> (+0.34%)	⬆️

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