Add OZ relayer status (#2226)

* Add OZ relayer status

* Update format

Author: janewang

docs/tools/openzeppelin-relayer.mdx

@@ -9,6 +9,10 @@ Launchtube, which served as an experimental service for fee sponsorship and cont
 
 OpenZeppelin Relayer, also known as [Stellar Channels Service](https://docs.openzeppelin.com/relayer/1.3.x/guides/stellar-channels-guide), is a managed infrastructure for submitting Stellar Soroban transactions with automatic parallel processing and fee management. The service handles all the complexity of transaction submission, allowing you to focus on building your application.
 
+## OpenZeppelin Relayer Status
+
+To see live status of the OpenZeppelin relayer, please visit this [Status] page: https://status.channels.openzeppelin.com/.
+
 ## Smart contract invocation
 
 Let’s create a simple application that submits a transaction, invoking a smart contract function, using Relayer. The application calls the Increment smart contract and returns the current counter value.