feat: base network support (#547)

Author: Manuel Gellfart

src/networks.ts

@@ -78,6 +78,16 @@ export const networkInfo = new Map<number, NetworkInfo>([
       currencySymbol: "EWT",
     },
   ],
+  [
+    8453,
+    {
+      chainID: 8453,
+      name: "Base",
+      shortName: "base",
+      currencySymbol: "ETH",
+      baseAPI: "https://safe-transaction-base.safe.global/api/v1",
+    },
+  ],
   [
     42161,
     {