added back upcoming OCP maintenance

CONTRIBUTING.md

@@ -140,4 +140,4 @@ will be merged into the project's `main` branch.
 
 If you need help, you can ask questions on the [issue tracker](https://github.com/nerc-project/nerc-docs/issues).
 
-For other technical support, please contact us by email [[email protected]]([email protected]).
+For other technical support, please contact us by email [[email protected]](mailto:[email protected]).

nerc-theme/main.html

@@ -2,15 +2,14 @@
 
 {% block announce %}
 <div class="parent">
-  <!-- <div class="maintain">
-    <div>Upcoming Annual MGHPCC Power Shutdown (multi-day)</div>
-    <div>[June 5, 2023 8:00 AM – June 9, 2023 9:00 AM]
+  <div class="maintain">
+    <div>Upcoming NERC OpenShift Container Platform (OCP) Maintenance</div>
+    <div>[August 21, 2023 9:00 AM - 5:00 PM]
       <a style="color: #00efff;"
-        href="https://nerc.mghpcc.org/events/mghpcc-power-shutdown-2023/"
+        href="https://nerc.mghpcc.org/events/nerc-ocp-maintenace-august-21-2023/"
         target="_blank">[Timeline and info]</a>
     </div>
   </div>
-  -->
   <div class="child">
     <iframe src="https://nerc.instatus.com/embed-status/light-sm" width="230" height="52" frameBorder="0" scrolling="no" style="border: none;" ></iframe>
   </div>