Enkrypt AI Secure MCP Gateway

# TODO - **Coming soon features:** - Remote installation and configuration of the gateway - Add support for logging to Enkrypt - Add support for remote mcp config management with CRUD APIs - Integrate with Enkrypt Auth server to map user API Key to MCP Gateway Key - Enkrypt App MCP UI and Dashboards - **Testing pending:** - None - **Development pending:** - Add --dry-run option to install command to print the mcp config. This is useful for custom mcp clients - **Nice to have:** - Refactor enkrypt_secure_call_tools to decouple tool call logic and move to client.py - **Bugs to fix:** - Find out why sys.stdout is not working for some reason with JSON parsing issues even when printing normal strings. Search for `# TODO: Fix error and use stdout` in code