web-ext, command line tool to help build, run, and test web extensions:

web-ext, command line tool to help build, run, and test web extensions:
* https://github.com/mozilla/web-ext
* Getting started with web-ext: https://extensionworkshop.com/documentation/develop/getting-started-with-web-ext/
* web-ext command reference: https://extensionworkshop.com/documentation/develop/web-ext-command-reference/