feature/better handling env variables

[Le-Caignec]

• Add .env.template for better understanding/summary of the available env variable on the repo
• Add Zod as validator for .env variables. (⚠️ import .env variables without validator is a bad smell in TS)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.30%. Comparing base (224fe6c) to head (d116865).
Report is 18 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop      #55   +/-   ##
========================================
  Coverage    99.30%   99.30%           
========================================
  Files            4        4           
  Lines          286      286           
  Branches        53       53           
========================================
  Hits           284      284           
  Misses           2        2           

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[gfournieriExec]

Don't forget to update changelog :)

[jeremyjams]

Good, thank you!

[gfournieriExec]

Thanks :)

[zguesmi]

Neat !
Thanks.