[FEA]: Set of `cccl-runtime` Examples

### Is this a duplicate?

- [x] I confirmed there appear to be no [duplicate issues](https://github.com/NVIDIA/cccl/issues) for this request and that I agree to the [Code of Conduct](CODE_OF_CONDUCT.md)

### Area

General CCCL

### Is your feature request related to a problem? Please describe.

Our set of examples for the `cccl-runtime` is very low, we should expand it to help users understand advanced usage patterns and best practices.

### Describe the solution you'd like

Create a collection of examples to showcase various features and patterns using `cccl-runtime`.