Clarify in the documentation that hardhat-chai-matchers is not compatible with hardhat-viem (#5102)

Author: ChristopherDedominici

docs/src/content/hardhat-chai-matchers/docs/overview.md

@@ -9,6 +9,12 @@ description: Hardhat Chai Matchers is a Hardhat plugin that builds on top of Cha
 
 Among other things, you can assert that a contract fired certain events, or that it exhibited a specific revert, or that a transaction resulted in specific changes to a wallet's Ether or token balance.
 
+:::warning
+
+The `hardhat-chai-matchers` plugin is designed to work with `hardhat-ethers`. Attempting to use it in conjunction with `hardhat-viem` results in compatibility issues.
+
+:::
+
 ## Installation
 
 ::::tabsgroup{options="npm 7+,npm 6,yarn"}