Design Guidelines

Hi Jimmy! 

Thank you for creating such a wonderful icon pack. It has really benefited my team greatly.
I was wondering if there was some sort of documentation such as:

- The icon grid
- Keyline shapes
- Padding
- Stroke

Basically a design guideline to refer to. I would like to include that guideline into the design system that we are building as we are using the icon pack. 

Thank you in advance! 