feat: Add eth reactor and quoter (#10701)

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<!-- start pr-codex -->

---

## PR-Codex overview
This PR updates the `pcsx-sdk` package by adding support for Ethereum
chain and integrating an ETH reactor.

### Detailed summary
- Added support for Ethereum chain in `SupportedChainId` constant
- Integrated ETH reactor addresses in various mappings for Ethereum
chain

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question}`

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.changeset/weak-years-nail.md

@@ -0,0 +1,5 @@
+---
+'@pancakeswap/pcsx-sdk': major
+---
+
+add eth reactor

packages/pcsx-sdk/src/constants.ts

@@ -1,8 +1,14 @@
 import { ChainId } from '@pancakeswap/chains'
-import type { Address } from 'viem'
 import { getPermit2Address } from '@pancakeswap/permit2-sdk'
+import type { Address } from 'viem'
 
-export const SupportedChainId = [ChainId.BSC, ChainId.BSC_TESTNET, ChainId.SEPOLIA, ChainId.ARBITRUM_ONE] as const
+export const SupportedChainId = [
+  ChainId.BSC,
+  ChainId.BSC_TESTNET,
+  ChainId.SEPOLIA,
+  ChainId.ARBITRUM_ONE,
+  ChainId.ETHEREUM,
+] as const
 
 export type XSupportedChainId = (typeof SupportedChainId)[number]
 
@@ -11,13 +17,15 @@ export const PERMIT2_MAPPING = {
   [ChainId.BSC_TESTNET]: getPermit2Address(ChainId.BSC_TESTNET),
   [ChainId.SEPOLIA]: getPermit2Address(ChainId.SEPOLIA),
   [ChainId.ARBITRUM_ONE]: getPermit2Address(ChainId.ARBITRUM_ONE),
+  [ChainId.ETHEREUM]: getPermit2Address(ChainId.ETHEREUM),
 } as const satisfies Record<XSupportedChainId, Address | undefined>
 
 export const ORDER_QUOTER_MAPPING = {
   [ChainId.BSC]: '0x369B57fE0Fab4d5a110e4F02b871979DE0300C18',
   [ChainId.BSC_TESTNET]: '0x6f73C295E70Cd87307dD73c4730c685Bb977bB70',
   [ChainId.SEPOLIA]: '0x180415ddfBeD6bf9a6C0fcE0EB23DE60B0157f58',
   [ChainId.ARBITRUM_ONE]: '0xF812A85c70b05Df76ff3bC802c0244307033Ccd0',
+  [ChainId.ETHEREUM]: '0xF812A85c70b05Df76ff3bC802c0244307033Ccd0',
 } as const satisfies Record<XSupportedChainId, Address>
 
 export enum OrderType {
@@ -43,4 +51,7 @@ export const REACTOR_ADDRESS_MAPPING = {
   [ChainId.ARBITRUM_ONE]: {
     [OrderType.ExclusiveDutchOrder]: '0x35db01D1425685789dCc9228d47C7A5C049388d8',
   },
+  [ChainId.ETHEREUM]: {
+    [OrderType.ExclusiveDutchOrder]: '0x35db01D1425685789dCc9228d47C7A5C049388d8',
+  },
 } as const satisfies ReactorMapping