Fixes #7914. Fixes #7921

feat: added api health endpoint that does not require auth and never creates sessions, returns db status as well. #3302

Fixes #7822

fix: better error handling / messsage when testing email notification when stmp is not configured, fixes #8093

* refactor util encryption library so it doesn't have to import log

* add util.SplitString to handle space and/or comma-separated config lines

* go fmt

fix: make organisation filter case insensitive

Downloads a large open dataset from NYC Open Data.
Then converts date columns into the mysql format.

If the selected table column is string then show that in the singlestat

Adds support for value mapping for table data in the single stat panel.