胡斌 / liveAssistant_web_demo

fix the index of start_push example

2.adjust layout
3.set default websocket port to 6080

2.add default parameters for demo ss_start and ds_start

2.adjust input width

add get_mic_vol,set_mic_vol

set_videoparam,
start_push,stop_push
ss_start with input parameter
adjust layout

try to modify to demo liveAssistant