add requirements.txt file for simple required package installation

[remecca4]

Pull Request

Description

I added a requirements.txt file listing all necessary dependencies for the project. This change simplifies the setup process for new contributors by allowing them to install dependencies with a single command:

pip install -r requirements.txt

Checklist:

• My code follows OCF's coding style guidelines
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I have checked my code and corrected any misspellings