feat(library)!: added getSiteLocales, removed getNodeFromPathOrId

[GauBen]

Description

• Added getSiteLocales(), a function that returns all enabled languages, context-enabled
• Removed getNodeFromPathOrId()

Closes #178

Checklist

Source code

• I've considered the implications on security (in particular for changes to authentication, authorization, data fetching, ...)
• I've considered the implications on performances
• I've considered the implications on migration
• I've considered the implications on code maintainability

Tests

• I've provided Unit and/or Integration Tests
• I've updated the parent issue with required manual validations

Documentation

• I've provided inline documentation (Source code)
• I've provided internal documentation (README, Confluence)
• I've provided user-facing documentation (Academy)

Tip

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