* Add api to test notifications before you save
* Add button to UI
* Inspect apprise logs to get errors
* Better formatting around errors coming back from the test notification endpoint
* Use apprise's built in log capture
* Instruct the user to get error from container log instead of intercepting and parsing apprise logs
* refac move to test method on notification class
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Co-authored-by: Simon <simobilleter@gmail.com>