Update evm.mdx (#605)

* Update evm.mdx

add story

* fix pre-commit

---------

Co-authored-by: mariobern <[email protected]>

Author: KemarTiti

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

@@ -9,6 +9,7 @@ At the time of writing, the following EVM chains have sponsored price feeds:
 - [Unichain Mainnet](#unichain-mainnet)
 - [Mode Mainnet](#mode-mainnet)
 - [Sonic Mainnet](#sonic-mainnet)
+- [Story Mainnet](#story-mainnet)
 - [Optimism Sepolia](#optimism-sepolia)
 - [Unichain Sepolia](#unichain-sepolia)
 - [Ble Testnet](#ble-testnet)
@@ -134,6 +135,22 @@ Update Parameters: **1 hour heartbeat or 1% price deviation**
 | STS/S.RR           | `3b14bd355f182fa3a3feeea6824228e1f71e7c221a37bc91e8307280aee6a803` |
 | ANON/USD           | `7a36855b8a4a6efd701ed82688694bbf67602de9faae509ae28f91065013cb82` |
 
+## Story Mainnet
+
+The price feeds listed in the table below are currently sponsored in **Kraken mainnet**.
+
+Update Parameters: **1 hour heartbeat or 1% price deviation**
+
+| Name     | Price Feed Id                                                      |
+| -------- | ------------------------------------------------------------------ |
+| USDC/USD | `eaa020c61cc479712813461ce153894a96a6c00b21ed0cfc2798d1f9a9e9c94a` |
+| USDT/USD | `2b89b9dc8fdf9f34709a5b106b472f0f39bb6ca9ce04b0fd7f2e971688e2e53b` |
+| ETH/USD  | `ff61491a931112ddf1bd8147cd1b641375f79f5825126d665480874634fd0ace` |
+| WETH/USD | `9d4294bbcd1174d6f2003ec365831e64cc31d9f6f15a2b85399db8d5000960f6` |
+| WBTC/USD | `c9d8b075a5c69303365ae23633d4e085199bf5c520a3b90fed1322a0342ffc33` |
+| BTC/USD  | `e62df6c8b4a85fe1a67db44dc12de5db330f7ac66b72dc658afedf0f4a415b43` |
+| IP/USD   | `b620ba83044577029da7e4ded7a2abccf8e6afc2a0d4d26d89ccdd39ec109025` |
+
 ## Optimism Sepolia
 
 The price feeds listed in the table below are currently sponsored in **Optimism Sepolia**.