feat(gui): update language options and default settings

- Remove unused 'layoutlmv3' model option
- Update language options to include new 'add_lang' list
- Set default language to 'ch' (Chinese)
- Comment out old 'all_lang' definition for future reference

projects/gradio_app/app.py

@@ -159,9 +159,12 @@ devanagari_lang = [
         'sa', 'bgc'
 ]
 other_lang = ['ch', 'en', 'korean', 'japan', 'chinese_cht', 'ta', 'te', 'ka']
+add_lang = ['latin', 'arabic', 'cyrillic', 'devanagari']
 
-all_lang = ['', 'auto']
-all_lang.extend([*other_lang, *latin_lang, *arabic_lang, *cyrillic_lang, *devanagari_lang])
+# all_lang = ['', 'auto']
+all_lang = []
+# all_lang.extend([*other_lang, *latin_lang, *arabic_lang, *cyrillic_lang, *devanagari_lang])
+all_lang.extend([*other_lang, *add_lang])
 
 
 def to_pdf(file_path):
@@ -192,8 +195,8 @@ if __name__ == '__main__':
                 file = gr.File(label='Please upload a PDF or image', file_types=['.pdf', '.png', '.jpeg', '.jpg'])
                 max_pages = gr.Slider(1, 20, 10, step=1, label='Max convert pages')
                 with gr.Row():
-                    layout_mode = gr.Dropdown(['layoutlmv3', 'doclayout_yolo'], label='Layout model', value='doclayout_yolo')
-                    language = gr.Dropdown(all_lang, label='Language', value='auto')
+                    layout_mode = gr.Dropdown(['doclayout_yolo'], label='Layout model', value='doclayout_yolo')
+                    language = gr.Dropdown(all_lang, label='Language', value='ch')
                 with gr.Row():
                     formula_enable = gr.Checkbox(label='Enable formula recognition', value=True)
                     is_ocr = gr.Checkbox(label='Force enable OCR', value=False)