Add Warsaw demo team address

src/demo-addresses.ts

@@ -31,6 +31,13 @@ const demoAddresses: DemoAddress[] = [
     longitude: 55.1614,
     countryCode: 'AE',
   },
+  {
+    name: 'Warsaw warehouse',
+    address: 'Żwirki i Wigury 1, Warsaw',
+    latitude: 52.1657,
+    longitude: 20.9671,
+    countryCode: 'PL',
+  },
 ]
 
 function stableUuid(teamUuid: string, index: number): string {