Add an article about incompatibility of AdGuard for Mac with screen time

[Aydinv13]

Problem description:

1. Open AdGuard (default settings)
2. Go to system settings - Screen Time - Content&Privacy - Content Restrictions - Access to Web Content - Limit Adult Websites - 3) Customize then add example.org to Restricted sites
3. Open Safari

As a result, the connection fails and the pages do not load.

Solution

The only solution is to disable Content&Privacy in Screen Time and reboot the system https://github.com/AdguardTeam/CoreLibs/issues/1790#issuecomment-1752447526.