Update evm.mdx (#573)

add xrp

Author: KemarTiti

pages/price-feeds/sponsored-feeds/evm.mdx

@@ -41,6 +41,7 @@ Update Parameters: **1 hour heartbeat or 1% price deviation**
 | RSETH/USD  | `0caec284d34d836ca325cf7b3256c078c597bc052fbd3c0283d52b581d68d71f` |
 | PYTH/USD   | `0bbf28e9a841a1cc788f6a361b17ca072d0ea3098a1e5df1c3922d06719579ff` |
 | SUI/USD    | `23d7315113f5b1d3ba7a83604c44b94d79f4fd69af77f804fc7f920a6dc65744` |
+| XRP/USD    | `ec5d399846a9209f3fe5881d70aae9268c94339ff9817e8d18ff19fa05eea1c8` |
 
 ## Mode Mainnet