* Update languages.ts
added galician language
* Update i18n.web.ts
added import of galician translations file
* Update i18n.ts
added galician language
* Update helpers.ts
added galician to sanitizeLanguage function
* galician messages
First commit
* Second commit
* Third commit
* fourth commit
* fifth commit
* Update lingui.config.js
change to make available Galician language
* galician translation by Carlos Vieito and Alexandre Espinosa
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Co-authored-by: Alexandre Espinosa Menor <aemenor@gmail.com>