Update .agents/skills/appkit/references/react-wagmi.md

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Signed-off-by: Dargon789 <64915515+Dargon789@users.noreply.github.com>

Author: Dargon789

.agents/skills/appkit/references/react-wagmi.md

@@ -96,6 +96,7 @@ function WalletInfo() {
 ## Smart Contract Interaction (Wagmi hooks)
 
 ```tsx
+import { erc20Abi } from 'viem'
 import { useReadContract, useWriteContract, useWaitForTransactionReceipt } from 'wagmi'
 
 function ContractInteraction() {