add link to ton example (#466)

Author: cctdaniel

pages/price-feeds/use-real-time-data/ton.mdx

@@ -106,3 +106,4 @@ You may find these additional resources helpful for developing your TON applicat
 - [Pyth Price Feed IDs](https://pyth.network/developers/price-feed-ids)
 - [Pyth TON Contract](https://github.com/pyth-network/pyth-crosschain/tree/main/target_chains/ton/contracts)
 - [Pyth TON SDK](https://github.com/pyth-network/pyth-crosschain/tree/main/target_chains/ton/sdk)
+- [Pyth TON Example](https://github.com/pyth-network/pyth-examples/tree/main/price_feeds/ton/sdk_js_usage)