Support multiple experience role configurations

[Sheldan]

General Information

• [X] I have checked for similar issues on the Issue-tracker.
• [X] I have updated to the latest version
• [X] I have checked the branches or the maintainers' PRs for upcoming features fixes.

Description

Support multiple configurations for experience roles, so you can have two separate systems based on the same experience value, but providing different roles, as currently the roles are exclusive.

Feature worth and general use

A generic experience role system can have experience roles, but also provide separate roles at levels, which are added additionally.

Suggestions for implementation

No response

[Sheldan]

Was implemented via level actions. These perform various task at configurable levels, one option is to apply roles.