Add WhatsMCP client and fix formatting of roo code

[jaw9c]

This adds WhatsMCP to the client list

Motivation and Context

How Has This Been Tested?

Breaking Changes

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)
• 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

Additional context

[jaw9c]

Fixes #240

[jaw9c]

@dsp-ant Would you be able to review this please? Let me know if you'd like a hand on the oauth python SDK too!