Credits Page

[nicholas-maltbie]

Description

Added a credits page to the game and an authors file.

How Has This Been Tested?

Tested by ensuring that the screen can be opened properly.

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings

[github-actions[bot]]

Test Coverage Results for playmode: Line Coverage: 36.9% Link to run results: https://github.com/nicholas-maltbie/PropHunt-Mirror/actions/runs/839604604

[github-actions[bot]]

Test Coverage Results for editmode: Line Coverage: 100% Link to run results: https://github.com/nicholas-maltbie/PropHunt-Mirror/actions/runs/839604604