[Game Design Section]: Update Content

🆕🐥☝ Beginners Only:
This issue is reserved for people who are new to Open Source. We know that the process of creating a pull request is the biggest barrier for new contributors. This issue is for you 💝

Take content from https://www.gamedesigning.org/learn/tutorials/ and put into the Game Design section

📋 *Step by Step*
[Step-By-Step Tutorial](https://github.com/msandfor/10-Easy-Steps/blob/master/docs/GitHub-browser-tutorial.md)

Remember to observe the [Code of Conduct](https://github.com/msandfor/10-Easy-Steps/blob/master/code_of_conduct.md) - by which we mean, in short - Be Kind, Be Positive, Be Helpful