Updating Docs - configuration table, shoutrr, Scrutiny, etc

[OneWeekNotice]

Summary

• removing WATCHTOWER_NOTIFICATIONS as this is legacy notifications. Reference watchtower legacy notifications documentation
• adding Watchtower (shoutrrr) token authentication URL
  • Note: at this time, this is not updated in shoutrr ntfy documentation but verified that it works
• adding logging configurations to to config option table
• adding Scrutiny project to integration documentation. Scrutiny is a webUI for smartd S.M.A.R.T monitoring. This includes notifications through shoutrrr.
• adding note about caddy. for beginners to caddy they should know they don't need additional configuration for WebSockets as caddy handles this (along with HTTP) with reverse_proxy

[binwiederhier]

Thank you