Displays creator avatar

[dane-johnson]

Description

The creator's avatar now displays along with the snippet title.

Motivation and Context

Closes #322

Checklist:

• [x] My code follows the code style of this project.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.

Screenshots (if appropriate):

[dane-johnson]

With new layout

[dane-johnson]

With tooltip