chore: sync submodule state (parent ref update)

Made-with: Cursor

examples/react-example/README.md

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+# MetaMask ChainID 138 React Example
+
+Complete React example for integrating MetaMask with ChainID 138.
+
+## Features
+
+- ✅ Connect to MetaMask wallet
+- ✅ Add ChainID 138 network
+- ✅ Switch to ChainID 138 network
+- ✅ Add tokens (cUSDT, cUSDC, WETH)
+- ✅ Display wallet balance
+- ✅ Error handling
+
+## Installation
+
+```bash
+npm install
+```
+
+## Development
+
+```bash
+npm run dev
+```
+
+## Build
+
+```bash
+npm run build
+```
+
+## Usage
+
+1. Install MetaMask browser extension
+2. Open the application
+3. Click "Connect Wallet"
+4. Approve connection in MetaMask
+5. Add ChainID 138 network if needed
+6. Add tokens to MetaMask
+
+## Code Structure
+
+- `App.tsx` - Main component with wallet connection logic
+- `App.css` - Styling
+- Uses `ethers.js` v6 for blockchain interactions
+
+## Network Configuration
+
+The example includes ChainID 138 network configuration:
+- Chain ID: 138 (0x8a)
+- RPC URLs: https://rpc.d-bis.org, https://rpc2.d-bis.org
+- Explorer: https://explorer.d-bis.org
+
+## Token Addresses
+
+- cUSDT: `0x93E66202A11B1772E55407B32B44e5Cd8eda7f22` (6 decimals)
+- cUSDC: `0xf22258f57794CC8E06237084b353Ab30fFfa640b` (6 decimals)
+- WETH: `0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2` (18 decimals)