Add complete NLLB-200 support with all 204 FLORES-200 languages
Updated dual model system to fully support both M2M100 and NLLB-200:
**NLLB-200 Model (204 languages)**
- Added all 204 FLORES-200 language codes to nllb200_lang_codes dictionary
- Updated language code mappings with FLORES-200 format (xxx_Yyyy)
- Added 24+ NLLB-exclusive languages including:
- Southeast Asian: Acehnese, Balinese, Banjar, Buginese, Minangkabau
- South Asian: Assamese, Awadhi, Bhojpuri, Chhattisgarhi, Magahi, Maithili, Meitei, Odia, Santali
- African: Akan, Bambara, Bemba, Chokwe, Dyula, Fon, Kikuyu, Kimbundu, Kongo, Luba-Kasai, Luo, Mossi, Nuer
- Arabic dialects: Mesopotamian, Najdi, Moroccan, Egyptian, Tunisian, South/North Levantine
- European regional: Asturian, Friulian, Latgalian, Ligurian, Limburgish, Lombard, Norwegian Nynorsk/Bokmål, Occitan, Sardinian, Sicilian, Silesian, Venetian
- Other: Dzongkha, Fijian, Guarani, Kabyle, Kabuverdianu, Papiamento, Quechua, Samoan, Sango, Shan, Tamasheq, Tibetan, Tok Pisin
**Updated Files**
- app/translator.py: Complete NLLB-200 language mappings (204 languages)
- app/main.py: Added display names for all 204+ language codes
- README.md: Updated with dual model system, NLLB-200 details, license info
- CLAUDE.md: Updated developer documentation with model architecture
**Testing**
- Verified M2M100: 105 languages working ✅
- Verified NLLB-200: 204 languages working ✅
- Tested NLLB-exclusive languages (Bemba, Fon, etc.) ✅
**License Information**
- M2M100: Apache 2.0 - Commercial use allowed
- NLLB-200: CC-BY-NC 4.0 - Non-commercial only
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
578be1fd55