(feat): add in superhero page

docs/handbook/superhero.md

+---
+id: superhero
+title: Superhero
+---
+
+> We are currently building out this section
+
+# What is a Superhero
+
+A Superhero is a critical site outage that requires immediate attention.
+
+# How to declare a Superhero
+
+Follow the **(wip)** diagram below:
+
+[![Superhero diagram](assets/superhero.png "Diagram of Minds Superhero")
+Click to enlarge](assets/superhero.png)
+
+Create an new issue at [gitlab.com/minds/minds](gitlab.com/minds/minds) with the **Superhero** template.

website/sidebars.json

@@ -24,8 +24,6 @@
       "walk-throughs/infinite-scroll",
       "walk-throughs/notifications"
     ],
-    "Handbook": [
-      "handbook/how-we-work"
-    ]
+    "Handbook": ["handbook/how-we-work", "handbook/superhero"]
   }
 }