Shared SentryDock monitor setup

Monitor changes and news regarding stablecoins, particularly USDC.

This public SentryDock page shows a reusable monitoring setup, configured sources, latest surfaced results, and a copy action for creating the same AI-powered news monitor in another workspace.

Sources monitored: https://coindesk.com/, https://circle.com/, https://tradingview.com/, https://bloomberg.com/crypto, https://x.com/USDC_Treasury, https://reddit.com/r/CryptoCurrency.