Easily improve the Cloudflare troubleshooting section

[arBorghi]

Describe your suggested feature

Just help people to understand what an user agent is and how to know which one should they use.
Linking to this page( https://www.whatismybrowser.com/guides/the-latest-user-agent/chrome ) or suggesting searching "Google Chrome user agent" should do the trick.

Other details

No response

Acknowledgements

• I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open or closed issue.
• I have written a short but informative title.
• If this is an issue with an extension, I should be opening an issue in the extensions repository.
• I have updated the app to version 0.14.7.
• I will fill out all of the requested information in this form.