Update CONTRIBUTING.md

Author: admirerr

CONTRIBUTING.md

@@ -1,11 +1,29 @@
-# Contribution Guidelines
+## 📌 Contribution Guidelines
 
 Thank you for your interest in contributing to our project! We welcome all contributions, but to ensure a smooth and collaborative process, please follow these guidelines.
 
-## How to Contribute
+## 💭 How to Contribute
 
-1.  **Fork the repository** and create a new branch for your feature or bug fix.
-2.  **Follow the coding style** and conventions used in the project.
-3.  **Write clear and concise commit messages** that explain the purpose of your changes.
-4.  **Test your changes thoroughly** before submitting a pull request.
-5.  **Submit a pull request** with a detailed description of your changes and why they are needed.
+1. **Star** this repository (to support the project)
+2. **Fork** this repository
+3. **Clone** your fork
+4. Create a new **branch**
+5. Add your solution in an appropriate directory structure:
+   - First level: Programming language (e.g., `Python/`, `Java/`, `CPP/`)
+   - Second level: Your chosen topic (e.g., `trees/`, `arrays/`, `graphs/`)
+   - Example: `Python/searching/binary_search.py` or `Java/Trees/BinarySearch.java`
+   - Feel free to create new directories if needed
+6. **Commit** and **push**
+7. Open a **Pull Request**
+
+---
+
+## ✅ Rules
+
+- File naming: `problem_name.language_extension`
+- Comment your code clearly
+- The **problem name must be clearly mentioned** in the comments
+- Avoid duplicate solutions in the same language
+- New solutions for different languages are welcome
+
+---