Added

• Multi-language Support: Fully translatable messages and GUI strings.
  • Introduced LanguageManager for handling internal and external locale files.
  • Added locales/ directory for secondary translation files.
  • Shipped with default English (en.yml) and German (de.yml) translations.
  • Configurable language via settings.language in config.yml.
• Refined Configuration: All user-facing text moved from config.yml to locale files for better organization.