Update addrbook.mdx (#140)

Enigma's address book

docs/story-protocol/sync/addrbook.mdx

@@ -13,6 +13,7 @@ import { addrBook }  from '@site/src/components/SelectPaste/addrBook.ts';
 
 export let endpoints = [
 	'https://server-5.itrocket.net/testnet/story/addrbook.json',
+	'https://services.enigma-validator.com/story-testnet/addrbook.json',
 	'https://snapshots.kjnodes.com/story-testnet/addrbook.json',
 	'https://snapshots.lavenderfive.com/testnet-addrbooks/story/addrbook.json',
 	'https://share102.utsa.tech/story/addrbook.json',
@@ -27,4 +28,4 @@ export let home = 'story/story';
 
 export let binary = 'story';
 
-<SelectPaste endpoints={endpoints} codeTemplate={addrBook} home={home} binary={binary} tip="Select an endpoint from the list below to automatically paste its URL into the command for updating your local AddrBook." />
+<SelectPaste endpoints={endpoints} codeTemplate={addrBook} home={home} binary={binary} tip="Select an endpoint from the list below to automatically paste its URL into the command for updating your local AddrBook." />