added: initial contribution guidelines

[majidzeno]

📝 Description

This PR updates the README file to reference the new CONTRIBUTING.md file and provides a comprehensive guide for contributors.

🏗️ Changes

• Added detailed steps for running the project locally with Hugo to the CONTRIBUTING.md file.
• Included prerequisites for different operating systems in the CONTRIBUTING.md file.
• Provided a comprehensive contribution guide with step-by-step instructions in the CONTRIBUTING.md file.
• Added a note for Windows users to use PowerShell or a Linux terminal in the CONTRIBUTING.md file.
• Updated the README file to reference the CONTRIBUTING.md file under the Contribution section.

🔥 Motivation and Context

Help new users and contributors quickly understand how to set up the project and make contributions.

🧪 How to Test

1. Clone the repository.
2. Follow the steps in the updated CONTRIBUTING.md to set up the project locally.
3. Verify that the Hugo server runs correctly and the site is accessible at http://localhost:1313.
4. Ensure that the contribution instructions are clear and complete.

📋 Checklist

• [ ] I have performed a self-review of my code.
• [x] I have tested the changes locally.
• [x] I have added relevant documentation

[aabouzaid]

@majidzeno thanks for your addition :raised_hands: Please rebase to the main branch, then add the new parts to CONTRIBUTING.md and reference that file in the main readme file under the Contribution section.

[aabouzaid]

Thanks @majidzeno :raised_hands: