Add or edit search engines in the location bar. And search via keywords.
Feature:
* Add search engine
Step: Type ain the location bar to add a search engine
Example: a http://www.google.com
* Search via a keyword
Step: Type
Example: a go USA
* Add a %s search engine
Step: Type ain the location bar to add a search engine
Example: a https://en.wikipedia.org/wiki/%s
* Modify the keyword
Step: Type a== in the location bar to add a search engine
Example: a google=http://www.google.com
谷歌浏览器、其他Chromium内核的浏览器