How to register on Lumen 

# Issue
*summarize your issue here*

## Environment
Laravel Version: *x.y.z*
Laravel Model Caching Package Version: *x.y.z*
PHP Version: *x.y.z*
Homestead Version: *x.y*
Operating System & Version: *name x.y.z*

## Stack Trace
```
*paste the relevant, complete stack trace here*
```
