- Fix getPage() to search for language-specific files (en.test.md, nl.test.md)
- Correct guide file naming: uk.codepress.md → en.codepress.md
- Update scanDirectory() filtering: uk → en for consistency
- Update formatDisplayName() cleaning: uk → en for consistency
- Language-specific pages now load correctly without 404 errors
- Pages display with clean names (without language prefixes)
