feat: implement multi-service websockets

[NeOMakinG]

• Create WebSocketManager for managing multiple WebSocket services
• Support for Swaps and Notifications services simultaneously
• Add authentication handler to backend gateways
• Configure ping/pong for connection health monitoring (10s timeout, 25s interval)
• Add WebSocket proxy support in Vite config with ws: true
• Implement useWebSocket hook with service-type parameter
• Add automatic reconnection with re-authentication
• Include comprehensive documentation

Note: Currently not working with Vite proxy, needs further debugging

Description

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closes #

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High Risk PRs Require 2 approvals

What protocols, transaction types, wallets or contract interactions might be affected by this PR?

Testing

Engineering

Operations

• [ ] :checkered_flag: My feature is behind a flag and doesn't require operations testing (yet)

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