fix(explicited-errors): translated empty login's error

[CocoChart]

• L'erreur '"login" is not allowed to be empty' est maintenant en français
• ajout de l'erreur dans les types
• ajout du test correspondant

[codecov]

Codecov Report

Merging #80 (4bfdcd1) into dev (4e2cd28) will decrease coverage by 0.06%.
The diff coverage is 83.33%.

@@            Coverage Diff             @@
##              dev      #80      +/-   ##
==========================================
- Coverage   95.33%   95.27%   -0.07%     
==========================================
  Files          78       78              
  Lines        1544     1545       +1     
  Branches      211      212       +1     
==========================================
  Hits         1472     1472              
  Misses         48       48              
- Partials       24       25       +1     

Impacted Files	Coverage Δ
src/types.ts	100.00% <ø> (ø)
src/utils/env.ts	86.66% <0.00%> (-1.47%)	⬇️
src/controllers/auth/login.ts	100.00% <100.00%> (ø)

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