What would you like to be added:

Currently, some headings are also steps in procedures. The format is not consistent. We need the heading format made consistent per the Grafana documentation style guide.

This means both the step number format (Step 1., Step 2.) and that everyt

Bug description

Feature Flag cannot recreate with the same key after deleting

Steps to reproduce:

1. create feature flag with key bla
2. delete the feature flag
3. try to create again feature flag with bla key
4. alert will popup with This key already exists
   

Ex

In my experience, far and away the primary reason to use DatabaseError::downcast_ref() is to check the constraint name. It would be nice not to have to downcast, though:

https://github.com/launchbadge/sqlx/blob/master/sqlx-core/src/error.rs#L146

 pub trait DatabaseError: ... {
    // existing methods omitted

    /// Returns the name of the constraint that triggered the error, if