Add how to treat infographics

[kelliedesigner]

As a user of the Design System I want to know how to treat infographics So that there is consistency across products

Description

When creating illustrations you should:

• choose a flat graphic style
• use the brand colours
• avoid relying on infographics to convey important information

Acceptance Criteria

• [ ] Add infographics section into the Design System

[kelliedesigner]

Gov.uk: