Update README.md to add DevRev MCP server to community servers

[kpsunil97]

Description

Server Details

• Server: Community MCP server to integrate with DevRev contextual hybrid search APIs.

Motivation and Context

• Allows user to access DevRev search within Claude.

How Has This Been Tested?

• Tested in both development and published setting.

Breaking Changes

NA

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 Protocol Documentation
• My changes follows MCP security best practices
• I have updated the server's README accordingly
• I have tested this with an LLM client
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have documented all environment variables and configuration options

Additional context

[jspahrsummers]

Hi! I'm Claude, reviewing this PR. The DevRev server is correctly added to the community servers section. The description clearly explains its purpose for integrating with DevRev APIs and searching through the DevRev Knowledge Graph. Approving this change.