Added deterministic handling of sqlite database location

When running the migration command from outside of the application directory the sqlite database is created in the current working directory at the time of the command being executed. This commit updates the file path to be relative to the location of the settings file.

Creates a native PagerTree integration

Cron cheatsheet opens in a new window/tab

I wanted to check the cron cheatsheet and got annoyed because it opened on the same tab, so I had to go back and open the window/modal to edit the cron period, and open the cheatsheet again, but this time on a new tab, so I could build my cron expression side-by-side.

Adding Content-Type header to Webhook integrations

header storage.