feat: update stacking lib guide

src/pages/understand-stacks/integrate-stacking.md

@@ -294,6 +294,8 @@ const stackingStatus = await client.getStatus();
 // otherwise an error will be thrown
 // stackingStatus:
 // {
+//   stacked: true,
+//   details: {
 //    amount_microstx: '80000000000000',
 //    first_reward_cycle: 18,
 //    lock_period: 10,
@@ -302,6 +304,7 @@ const stackingStatus = await client.getStatus();
 //      hashbytes: '05cf52a44bf3e6829b4f8c221cc675355bf83b7d'
 //    }
 //   }
+// }
 ```
 
 -> Note that the `pox_address` property is the PoX contract's internal representation of the reward BTC address.