bpo-42330: Registered browsh in webbrowser module

[Yash-Singh1]

Summary

Registered in browsh inside webbrowser module

Overview

Browsh is a terminal-based browser that runs based on headless firefox. Here is the documentation link for more: https://www.brow.sh/

The webbrowser module is:

Interfaces for launching and remotely controlling Web browsers.

According to a comment at the top of the file.
They have many default registered terminal browsers including lynx and w3m. This PR adds on to that list by adding in the browsh browser using the startup-url flag:

--startup-url string URL to launch at startup (default "https://www.brow.sh")

I also added in browsh inside the Docs for webbrowser

Links

The link to the issue: https://bugs.python.org/issue42330
The link to the webbrowser documentation: https://docs.python.org/3/library/webbrowser.html
The browsh documentation: https://www.brow.sh/
The Github Repo for Browsh: https://github.com/browsh-org/browsh

https://bugs.python.org/issue42330

[the-knights-who-say-ni]

Hello, and thanks for your contribution!

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@Yash-Singh1

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[terryjreedy]

Sorry, we are not going to add this.