fix(test): add warning in the concerned scripts (#478)

examples/developer-hub-go/flare/fetch_anchor_feeds.go

@@ -1,3 +1,4 @@
+// THIS IS EXAMPLE CODE. DO NOT USE THIS CODE IN PRODUCTION.
 package flare
 
 import (

examples/developer-hub-go/flare/fetch_and_verify_anchor_onchain.go

@@ -1,3 +1,4 @@
+// THIS IS EXAMPLE CODE. DO NOT USE THIS CODE IN PRODUCTION.
 package flare
 
 import (

examples/developer-hub-javascript/fetch_anchor_feeds.js

@@ -1,3 +1,4 @@
+// THIS IS EXAMPLE CODE. DO NOT USE THIS CODE IN PRODUCTION.
 const BASE_URL = "https://flr-data-availability.flare.network/";
 const API_KEY = "<your-api-key>";
 // Feed IDs, see https://dev.flare.network/ftso/scaling/anchor-feeds for full list

examples/developer-hub-python/fetch_anchor_feeds.py

@@ -1,3 +1,4 @@
+# THIS IS EXAMPLE CODE. DO NOT USE THIS CODE IN PRODUCTION.
 import asyncio
 
 import aiohttp

examples/developer-hub-python/fetch_and_verify_anchor_onchain.py

@@ -1,3 +1,4 @@
+# THIS IS EXAMPLE CODE. DO NOT USE THIS CODE IN PRODUCTION.
 import asyncio
 
 from web3 import AsyncHTTPProvider, AsyncWeb3

examples/developer-hub-rust/src/bin/fetch_anchor_feeds.rs

@@ -1,3 +1,4 @@
+// THIS IS EXAMPLE CODE. DO NOT USE THIS CODE IN PRODUCTION.
 #![allow(dead_code)]
 #![allow(unused)]
 

examples/developer-hub-rust/src/bin/fetch_and_verify_anchor_onchain.rs

@@ -1,3 +1,4 @@
+// THIS IS EXAMPLE CODE. DO NOT USE THIS CODE IN PRODUCTION.
 use crate::FtsoV2AnchorFeedConsumer::{FeedData, FeedDataWithProof};
 use alloy::{
     network::EthereumWallet,