Added Irish language

[aindriu80]

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Description

Added support for Irish (Gaeilge) language via https://weblate.kuma.pet/projects/dockge/dockge/ga/

Language Code - GA

Type of change

• Other

Checklist

• [X ] My code follows the style guidelines of this project
• [ X] I ran ESLint and other linters for modified files
• [ X] I have performed a self-review of my own code and tested it
• [ X] I have commented my code, particularly in hard-to-understand areas
  (including JSDoc for methods)
• [ X] My changes generate no new warnings
• [ X] My code needed automated testing. I have added them (this is optional task)

Screenshots (if any)