Service status article and quick icon (#776)

Author: Paul-Cornell

docs.json

@@ -521,6 +521,7 @@
             "pages": [
               "support/request",
               "support/shared-responsibility",
+              "support/status",
               {
                 "group": "Self-service",
                 "pages": [
@@ -565,6 +566,11 @@
           "href": "https://short.unstructured.io/pzw05l7",
           "icon": "slack"
         },
+        {
+          "anchor": "Service status",
+          "href": "https://unstructuredio.trust.pagerduty.com/posts/dashboard",
+          "icon": "signal"
+        },
         {
           "anchor": "Feedback",
           "href": "https://docs.google.com/forms/d/e/1FAIpQLSciKwrJD4m_9ObcTveWMb9yK63FWd7gLxIknovc3kLw_0qUrg/viewform?usp=sf_link",

support/status.mdx

@@ -0,0 +1,20 @@
+---
+title: Check service status
+---
+
+The [Unstructured Status](https://unstructuredio.trust.pagerduty.com/posts/dashboard) dashboard provides information about the 
+status of the Unstructured service.
+
+<Note>
+    This dashboard provides information only about the publicly available Unstructured service. If you are running a 
+    self-contained distribution of Unstructured, contact your organization's network administrator instead.
+</Note>
+
+From this dashboard, you can:
+
+- Check the status of the publicly available Unstructured user interface (UI). This is labeled in the dashboard as **Platform Frontend**.
+- Check the status of the publicly available Unstructured API. This is labeled in the dashboard as **Platform API**.
+- Subscribe to public service status updates delivered to an email address for your organization, to a specific channel in your organization's Slack workspace, or 
+  to a notification URL provided by your organization. To do this, click the **Subscribe to Updates** button and then follow the on-screen prompts.
+
+You can also [browse the history](https://unstructuredio.trust.pagerduty.com/posts/history) of previous public service status updates.