[WIP] Add data modeling image to README file

[Copilot]

Plan: Add Data Modelling Image to README

• Explore repository structure and understand current README format
• Wait for/locate the data modelling image provided by the user
• Add the image file to an appropriate directory (e.g., public/ or docs/)
• Update the README.md to reference the image at the end of the file
• Verify the changes render correctly
• Commit and push changes

Note: The problem statement mentions "I will be giving one image" but no image file or URL has been provided yet. Waiting for image to be provided.

Original prompt

I will be giving one image add this at the end of the readme file , the image shows data modelling in the project

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