Name is required.
Name can not have more than 40 characters.
Name can contain lower case letters (a-z), numbers and dashes only (not at the end).
The app name becomes part of the api url, e.g, https://{{appName}}.squidex.io/.
It must contain lower case letters (a-z), numbers and dashes only, and cannot be longer than 40 characters. The name cannot be changed later.