feat: add BASE subgraph URL

Author: bonustrack

src/helpers/actions.ts

@@ -82,6 +82,7 @@ export async function sxSpaceExists(network: string, spaceId: string): Promise<b
     matic: 'https://api.studio.thegraph.com/query/23545/sx-polygon/version/latest',
     arb1: 'https://api.studio.thegraph.com/query/23545/sx-arbitrum/version/latest',
     oeth: 'https://api.studio.thegraph.com/query/23545/sx-optimism/version/latest',
+    base: 'https://api.studio.thegraph.com/query/23545/sx-base/version/latest',
     sn: 'https://api.snapshot.box',
     'sn-sep': 'https://testnet-api.snapshot.box',
     'linea-testnet':