Added what's new.

Signed-off-by: bgravenorst <[email protected]>

Author: bgravenorst

docs/whats-new.md

@@ -9,7 +9,11 @@ The latest major MetaMask documentation updates are listed by the month they wer
 For a comprehensive list of recent product changes, visit the "Release Notes" section at the bottom
 of the [MetaMask developer page](https://metamask.io/developer/).
 
-## March 2025
+## March
+
+- Added a tutorial for [sending a transaction using Viem](/services/tutorials/ethereum/send-a-transaction/send-a-transaction-viem). ([#1920](https://github.com/MetaMask/metamask-docs/pull/1920))
+
+## February
 
 - Documented [Base subscription methods](/services/reference/base/json-rpc-methods/subscription-methods).
   ([#1916](https://github.com/MetaMask/metamask-docs/pull/1916))

services/tutorials/ethereum/send-a-transaction/send-a-transaction-viem.md

@@ -170,7 +170,7 @@ Tx mined https://sepolia.etherscan.io/tx/0x310588719e733118f50c0a1608e13b4e8bd5e
 
 You can search for the transaction on a block explorer such as [Sepolia Etherscan](https://sepolia.etherscan.io/).
 
-### 7. (Optional) Fine tune the transaction details
+### 8. (Optional) Fine tune the transaction details
 
 Viem automatically determines the gas limit and fees. If you want to change the default values, update
 the `sendTransaction` method to include an `estimateGas` result (`gasLimit`) and the `maxFeePerGas` and