This PR adds a modal for adding context servers from the Assistant 2
configuration view:

<img width="1394" alt="Screenshot 2025-03-25 at 12 22 50 PM"
src="https://github.com/user-attachments/assets/52fe194f-7d88-4f3b-aee1-8c6385136e6b"
/>

Release Notes:

- N/A