docs: update readme and mcp.json with repository url

[debin-ge]

• Give the correct URL address in the mcp.json and the main README

Motivation and Context

Improve documentation

How Has This Been Tested?

No Testing.

Breaking Changes

N/A

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [x] Documentation update

Checklist

• [ ] I have read the MCP Documentation
• [ ] My code follows the repository's style guidelines
• [ ] New and existing tests pass locally
• [ ] I have added appropriate error handling
• [ ] I have added or updated documentation as needed