update text in alchemy.mdx

Author: SahilAujla

src/content/tools/en/alchemy.mdx

@@ -7,4 +7,4 @@ website: "https://www.alchemy.com/"
 network: ["Mainnet", "Testnet"]
 ---
 
-Find out all about Alchemy products at [docs.alchemy.com](https://docs.alchemy.com/).
+Get started building on Scroll with Alchemy at [docs.alchemy.com/reference/scroll-api-quickstart](https://docs.alchemy.com/reference/scroll-chain-api-quickstart).