Major Changes:
- Added @polkadot/api and related dependencies
- Created PolkadotContext for blockchain connection
- Implemented NetworkStats component with live data
- Added PolkadotWalletButton for wallet integration
- Connected to local validator node (ws://127.0.0.1:9944)
Features:
- Live block number and hash display
- Real-time validator count
- Network connection status monitoring
- Polkadot.js extension integration
- Multi-account support
- Account switching capability
Technical:
- RPC endpoint: ws://127.0.0.1:9944
- Auto-reconnect on disconnect
- TypeScript integration
- React hooks for state management