Create story for Contributors component

[corwintines]

Create story tests for Contributors component

Prerequisite

To get yourself up to speed on how we use storybook on ethereum.org, learn more here

What to do

• [ ] Move /src/components/Contributors.tsx to /src/components/Contributors/index.tsx
• [ ] Fix any filepath changes to imports for the Contributors component
• [ ] Create story file /src/components/Contributors/Contributors.stories.tsx
• [ ] Writes story testing render of Contributors component in context of use

Context

Used on contributors page which renders in the MainArticle component in the Static template