feat: prepare i18n

[scolladon]

What does this pull request contain?

---

• Added (for new features).
• Changed (for changes in existing functionality).
• Deprecated (for soon-to-be removed features).
• Removed (for now removed features).
• Fixed (for any bug fixes).
• Security (for vulnerability fixes).

Explain your changes

---

Export error message to a dedicated file
Prepare for i18n

[codecov]

Codecov Report

Merging #287 (d673612) into main (9a038db) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main      #287   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           22        23    +1     
  Lines          628       634    +6     
=========================================
+ Hits           628       634    +6     

Impacted Files	Coverage Δ
src/locales/en.js	100.00% <100.00%> (ø)
src/utils/cliHelper.js	100.00% <100.00%> (ø)
src/utils/repoSetup.js	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 9a038db...d673612. Read the comment docs.

[codeclimate]

Code Climate has analyzed commit d673612 and detected 0 issues on this pull request.

View more on Code Climate.

[mehdicherf]

LGTM