Add viem library to blockchain roadmap (#5975) (#6009)

* Add viem library to blockchain roadmap (#5975)

* Update src/data/roadmaps/blockchain/content/109-dapps/108-client-libraries/index.md

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Co-authored-by: dsh <daniel.s.holdsworth@gmail.com>

src/data/roadmaps/blockchain/content/109-dapps/108-client-libraries/index.md

@@ -1,3 +1,7 @@
 # Client libraries
 
 You don't need to write every smart contract in your project from scratch. There are many open source smart contract libraries available that provide reusable building blocks for your project that can save you from having to reinvent the wheel.
+
+Visit the following resources to learn more:
+
+- [@official@Viem library with great TypeScript support](https://viem.sh)