feat: Make README markdown, add more info

Author: Kaamkiya

README.adoc

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+<div align="center">
+<h2 align="center">gg</h2>
+<p align="center">
+games you can play in your terminal!
+
+<br/>
+<br/>
+
+<a href="https://github.com/Kaamkiya/gg/issues/new">Report a bug or request a feature</a>
+
+</p>
+</div>
+
+## About The Project
+
+![A screenshot of 2048, dodger, and a maze running in separate windows.](assets/gameplay.png)
+
+I like to play video games, probably like you. But I prefer smaller, more minimal games. And I figured the best way to keep games minimal is to play them from the CLI!
+
+And as a developer, that's perfect because half of my computer time is spent in a terminal.
+
+Enjoy playing terminal games :)
+
+### Built With
+
+- [Go](https://go.dev)
+- [Charm libraries](https://charm.sh)
+
+## Getting Started
+
+This section is about installation and usage.
+
+### Prerequisites
+
+- Go (optional)
+
+### Installation
+
+1. Installation with Go:
+  ```
+  go install github.com/Kaamkiya/gg@latest
+  ```
+2. Running with Go: if you don't want to install it but still want to play
+  ```
+  go run github.com/Kaamkiya/gg@latest
+  ```
+3. Release binary:
+  * Go to the [releases page](https://github.com/Kaamkiya/gg/releases)
+  * Download the one for your platform
+  * Make it executable (`chmod +x ./<file>`)
+  * Run it!
+
+## Usage
+
+Enter the command into the terminal:
+
+```
+gg
+```
+
+Then select a game and enjoy!
+
+## Contributing
+
+All sorts of contributions are welcome!
+
+To contribute:
+
+1. Fork the Project
+2. Create your Feature Branch (`git checkout -b feature/AmazingFeature`)
+3. Commit your Changes (`git commit -m 'Add some AmazingFeature'`)
+4. Push to the Branch (`git push origin feature/AmazingFeature`)
+5. Open a Pull Request
+
+## License
+
+Distributed under the Unlicense. See [Unlicense License](https://unlicense.org) for more information.
+
+## Acknowledgments
+
+
+- [Al Sweigart's list of games to clone](https://inventwithpython.com/blog/2012/02/20/i-need-practice-programming-49-ideas-for-game-clones-to-code/)
+