Add options to interface

[Bre77]

Fixes #143 by adding "options" to the interface. I tried to see if there was a more specific type avaliable in LevelUp, but couldnt find one, and it uses any it the LevelUp types.

Checklist

• [x] run npm run test and npm run benchmark
• [x] tests and/or benchmarks are included
• [ ] documentation is changed or added
• [ ] commit message and code follows the Developer's Certification of Origin and the Code of conduct