docs: add docs sample (#924)

Author: daybrush

docs/docusaurus.config.js

@@ -39,6 +39,11 @@ module.exports = {
           label: "Options",
           position: "left"
         },
+        {
+          to: "Reactive",
+          label: "Reactive",
+          position: "left"
+        },
         {
           to: "Plugins",
           label: "Plugins",
@@ -98,6 +103,10 @@ module.exports = {
             {
               label: "Options",
               to: "Options/"
+            },
+            {
+              label: "Reactive",
+              to: "Reactive/"
             }
           ]
         },