Added snippet pagination

__Tasks:__

- [x] test coverage
- [ ] gather feedback for my changes

__Informations:__

| Q             | A
| ------------- | ---
| Tests pass?   | yes
| Fixed tickets | none
| BC Breaks     | none
| Doc           | none
Yeah you can, the classes from the rest abstraction just use this helper. The `ListRestHelper` doesn't do anything except reading some values from the query in a standardized way.