Add callout to Pythnet addresses page to clarify target chain usage (#692)

* Add callout to Pythnet addresses page to clarify target chain usage

Co-Authored-By: Tejas Badadare <[email protected]>

* Update callout wording: remove Sonic mention and strengthen recommendation

Co-Authored-By: Tejas Badadare <[email protected]>

* Fix formatting to pass prettier checks

Co-Authored-By: Tejas Badadare <[email protected]>

---------

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-authored-by: Tejas Badadare <[email protected]>

Author: devin-ai-integration[bot]

pages/price-feeds/contract-addresses/pythnet.mdx

@@ -1,5 +1,16 @@
 # Price Feed Program Addresses on Pythnet
 
+import { Callout } from "nextra/components";
+
+<Callout type="warning" emoji="⚠️">
+  **Important:** The addresses on this page are for the Pythnet network itself,
+  which is used to construct and deliver Pyth prices to other blockchains. If
+  you are building an application on EVM, Solana, SVM, or another chain, you
+  should use the Pyth program deployed on your target chain instead. Please
+  refer to the [Contract Addresses](/price-feeds/contract-addresses) page and
+  select your specific blockchain environment.
+</Callout>
+
 The following table contains the addresses of the programs deployed on Pythnet that operate together to construct Pyth prices and deliver them to other blockchains:
 
 | Network  | Program                                                                                                 | Program address                                |