Improve Documentation and Add Dockerfile

[tshenolo]

This pull request enhances the project with the following updates:

1. Documentation Improvements:

• Updated the README.md to include more detailed installation instructions.
• Added a section on how to use a Python 3.10 virtual environment to ensure compatibility.
• Provided clearer steps for running the app, including activating the virtual environment on different operating systems.
• Added a screenshot to help visualize the dashboard interface.

2. Dockerfile Addition:

• Added a Dockerfile for containerizing the application, making it easier to deploy in a consistent environment.
• Instructions for building and running the Docker container are included in the README.md.
• Ensures dependencies are properly handled within the containerized setup.

3. Impact:

• Improved User Experience: The updated documentation makes it easier for new users to get started with the project.
• Enhanced Deployment Flexibility: Adding the Dockerfile allows the application to be run in a containerized environment, - simplifying setup for different system configurations.

4. Testing:

• Verified that the updated instructions in README.md work as intended on both Windows and Linux.
• Tested the Docker container locally to ensure the app runs as expected.