Fix Remain popup icon&panel while clicking panel

If not, one cannot select text on the popup panel.
Fix use extension id to avoid conflicts
Add Get selectde text, lex/machine query and more.

Select text, point to the icon and return the query result.
Fix Edge detection

Detecte edges and self-adjust.
Add Chinese verify

Identifying Chinese. Thanks to Youdao Dict.
Fix Code optimized, Chinese verify

Reduce code to veryfy Chinese.
Fix Popup "quicker", interaction more friendly

Send HTTP request as soon as the icon popup.