Team Page Update

[dpaulos6]

Description

I updated the team's page to center the staff cards regardless of how many there are in a row. Also included myself as a contributor in staffs.json, approved by @mezotv (had to include github avatars url in next.config.js).

Fixes # (issue)

• Team Page non centered staff cards.

Type of change

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [x] Style update (non-breaking style update)

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] The code works fine on my machine.
• [x] I have modified the build steps if changed.