chore: optimze reade layout use tab

chore: use td alignment height

chore: height 700->500

chore: height 200 -> 700

chore: fix layout

chore: adjust the layout

chroe: update websearch demo in readme

chore: add describe on websearch and webfetch

chore: explain typescript main branch and legacy dev/python branch

chroe: up banner in readme

feat: WebSearch via SearXNG

feat: automode

chore: rename project

chore: introduce add local model to be a choice

init: verspercode v0.1.0