Is your feature request related to a problem? Please describe.
When the user clicks a <DeleteButton> in an Edit toolbar, react-admin displays "Element deleted". I would like to customize that message for different resources (e.g. "Post deleted" and "Comment deleted").

Describe the solution you'd like
I would like DeleteButton to behave like SaveButton and accept onSuccess and

hi.
in "react semantic ui" document
search placeholder API is not documented while is implemented for component
please add
tnx

Most of the macros exported by seed are undocumented, see: https://docs.rs/seed/0.7.0/seed/#macros
It would be good if at least the most commonly used are documented with an example.

In the utils server we are using too many custom functions for the magazines fake data. We could replace that using the fake-data-generator as a dev-dependency.

Current models: please respect the current type of each property

magazine: {
  id: Number, // faker random number
  name: String, // faker random words
  articles: