chore: rollback gradio version to 5.35.0

chore: rollback gradio version to 5.36.2

chore: update gradio to 5.37.0

feat: enhance app.py layout and delete some unuse code in whisper.py

fix: last_speech_timestamp not reset

feat: delete unuse accordion

fix: add LD_LIBRARY_PATH env

fix: move whisperx to pre-requirements

feat: constraint ctranslate2 version to >=4.5.0

feat: refactor app.py and use whisperx

feat: change min_silence_duration_ms_slider step to 50

feat: init

initial commit