Update model card with ONNX usage

Add ONNX Runtime model export

Restore Kokoro Vietnamese checkpoint to LarVoice stage2 epoch 5

Update installation and voice documentation

Update Kokoro Vietnamese checkpoint to LarVoice stage2 epoch 7

Simplify voice list

Remove release and files sections

Update voicepacks/tuan_ngoc.pt from epoch_2nd_00006

Update voicepacks/thuc_trinh.pt from epoch_2nd_00006

Update voicepacks/thanh_dat.pt from epoch_2nd_00006

Update voicepacks/storyvert.pt from epoch_2nd_00006

Update voicepacks/phat_tai.pt from epoch_2nd_00006

Update voicepacks/ngoc_huyen.pt from epoch_2nd_00006

Update voicepacks/my_yen.pt from epoch_2nd_00006

Update voicepacks/manh_dung.pt from epoch_2nd_00006

Update voicepacks/mai_loan.pt from epoch_2nd_00006

Update voicepacks/mai_linh.pt from epoch_2nd_00006

Update voicepacks/hung_thinh.pt from epoch_2nd_00006

Update voicepacks/duc_duy.pt from epoch_2nd_00006

Update voicepacks/duc_an.pt from epoch_2nd_00006

Update voicepacks/diem_trinh.pt from epoch_2nd_00006

Update README.md from epoch_2nd_00006

Update voices.json from epoch_2nd_00006

Update kokoro_vi_voicepack.pt from epoch_2nd_00006

Update kokoro_vi.pth from epoch_2nd_00006

Simplify README intro

Clarify Python API usage

Tighten usage examples

Document full voice registry

Upload voice registry

Update default Vietnamese voicepack

Upload full voicepack tuan_ngoc

Upload full voicepack thuc_trinh

Upload full voicepack thanh_dat

Upload full voicepack storyvert

Upload full voicepack phat_tai

Upload full voicepack ngoc_huyen

Upload full voicepack my_yen

Upload full voicepack manh_dung

Upload full voicepack mai_loan

Upload full voicepack mai_linh

Upload full voicepack hung_thinh

Upload full voicepack duc_duy

Upload full voicepack duc_an

Upload full voicepack diem_trinh

Update voicepack names

Remove voicepacks/mai_loan_pro.pt

Remove voicepacks/mai_linh_pro.pt

Remove voicepacks/diem_trinh_pro.pt

Rename voicepacks/mai_loan_pro.pt to voicepacks/mai_loan.pt