Add main.py and other files for Quiz App

[shadowranger07]

Fix to Issue #192

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Quiz App is a Python script that allows users to take a quiz based on a set of predefined questions and check their final score. It's a fun and educational way to test your knowledge on a variety of topics.

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Checklist

• [x] I read the contributing guidelines
• [x] I structured my project as stated in the contributing guidelines
• [x] My project uses dependencies
• [x] I starred the repo
• [x] I had fun contributing!

[theadeyemiolayinka]

Project reviewed and merged. Thank you @shadowranger07 Feel free to star the repo and add more projects. :)