Add FAQ to sidebar (#263)

* Add FAQ to sidebar

* Remove trailing slash

sidebars.js

@@ -216,5 +216,15 @@ module.exports = {
         },
       ],
     },
+    {
+      type: "category",
+      label: "Frequently Asked Questions",
+      items: [
+        {
+          type: 'autogenerated',
+          dirName: "faq", // Source folder to generate the sidebar slice from (relative to docs)
+        }      
+      ],
+    },
   ]
 };