Added loadgeneratorFloodHomepage flag description to docs

content/en/docs/demo/feature-flags.md

@@ -22,6 +22,7 @@ values are stored in the `demo.flagd.json` file. To enable a flag, change the
 | `recommendationServiceCacheFailure` | Recommendation   | Create a memory leak due to an exponentially growing cache. 1.4x growth, 50% of requests trigger growth.  |
 | `paymentServiceFailure`             | Payment Service  | Generate an error when calling the `charge` method                                                        |
 | `paymentServiceUnreachable`         | Checkout Service | Use a bad address when calling the PaymentService to make it seem like the PaymentService is unavailable. |
+| `loadgeneratorFloodHomepage`        | Loadgenerator    | Start flooding the homepage with a huge amount of requests, configurable by passing `FLOOD_COUNT` env     |
 
 ## Feature Flag Architecture