added google appscript site as development site

[AlejandroBeltre]

The Pull Request is ready

• [ ] all github actions are passing
• [ ] only a single issue was worked on
• [ ] fixes #
• [ ] the branch follows the naming schema issue-123-enable-x-does-not-disable-y
• [ ] the pull request has a sensible title

Intention

With this change I intend to...

Include google app script as a development site for the browser extension as in this website you can code automatizations with google services or even web apps with google infrastructure.

Review Points

Please take extra care reviewing...

I added another entry on the 'Dev' array

The code follows best practices

• [ ] duplicate code has been extracted where possible
• [ ] issues for follow-up tasks have been created
• [ ] tests have been written for any new functionality
• [ ] there is no any type used
• [ ] texts have been checked for grammar and spelling issues

Notes

Nothing to note about.