This PR adds a Hungarian locale for RenderCV.

The translation includes:

• Hungarian labels for time units (év, hónap)
• Proper singular/plural handling (Hungarian does not use plural after numbers, e.g. "2 év", not "2 évek")
• Localized month names and abbreviations
• Translation for the degree_with_area phrase

Example output:

• "1 év 7 hónap"
• "Szept. 2024 – jelenleg"
• "BSc Mérnökinformatika szakon"

The locale follows standard Hungarian spelling conventions (lowercase month names, common abbreviations).