[Feature Request] Add support for MCP servers

[GSSwain]

1. Type of Issue

Please select the type of issue (mark with an [x]):

• Feature Request
• Performance Improvement
• Documentation / Task / Other

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2. Why is it required?

Allow adding MCP servers to maca

3. What is the acceptance criteria?

Define the clear, concrete criteria that must be met for this issue to be considered resolved (e.g., specific test cases passing, UI behavior, CLI parameters support, etc.).

1. Add MCP servers to maca
2. List added MCP servers
3. Remove added MCP servers
4. Update MCP servers
5. Use MCP servers based on need
6. Force usage of MCP servers in prompt