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+# Hello
+This document is for people who want to contribute to this project!
+
+# Code Style
+
+## Formatting
+We are using **[Prettier](https://prettier.io)** to format the code.
+
+## File names
+- Always use `PascalCase` for the files containing classes (example: `Queue`, `Track`, `Player` etc.)
+
+## Some Rules
+- Use `camelCase` for `Function names`, `Variables`, etc. and `PascalCase` for `Class name`
+- Do not make unused variables/imports
+- Don't forget to write `JSDOC` for each properties and methods
+- Use English language
+
+# Pull Requests
+- Use English language
+- Explain what your update does
+
+- Run tests, formatting, etc. before making Pull Requests
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