feat(entity): add fsp-observer(alpha) for monitoring

Author: dineshpinto

docs/run-node/5-flare-entity.mdx

@@ -976,3 +976,12 @@ Consistent monitoring is key to maintaining performance and reward eligibility.
 To opt-out of receiving all future FlareDrops, you need to call the [`optOutOfAirdrop`](/network/solidity-reference/IDistributionToDelegators#optoutofairdrop) method on the [`DistributionToDelegators`](/network/solidity-reference) contract with your `Identity` address.
 
 </details>
+
+<details>
+<summary>F6. How do I get real-time Slack/Discord/Telegram alerts for my Flare Entity?</summary>
+
+Try out the alpha version of the [flare-foundation/fsp-observer](https://github.com/flare-foundation/fsp-observer) to receive instant notifications about critical misbehaviors - like FTSO or FDC reveal offenses, registration failures, and more - that could cost rewards.
+
+We would appreciate feature requests to direct development of the tool, please raise them on the [issues page](https://github.com/flare-foundation/fsp-observer/issues).
+
+</details>