rank-shout от GopalaKrishnan P

With this extension, the user just has to open the ranklist page of an ongoing contest in (codechef or codeforces) in a new tab and the extension will automatically look for changes and notify if any change has occured. This makes life easier for competitive programmers as there is no need for them to check the rankings from time to time.

The extension also allows the user to configure notification options. Details is given in the user guide below:

Usage guide: https://github.com/gkrishnan724/rank-shout/blob/master/Usage.md