Playground: Add demo for multiselect-autocomplete

Author: bhch

docs/src/demos.js

@@ -253,6 +253,26 @@ const DEMOS = [
         )
     },
 
+    {
+        name: 'Multi select + Autocomplete',
+        slug: 'multiselect-autocomplete',
+        schema: {
+            type: 'array',
+            title: 'Countries',
+            items: {
+                type: 'string',
+                widget: 'multiselect-autocomplete',
+                handler: 'https://run.mocky.io/v3/b4f1afe0-01a5-4218-988c-36b320a7373c'
+            }
+        },
+        description: () => (
+            <div>
+                Multiple selections only work inside an array.<br/>
+                This demo uses a placeholder JSON API to load data. Hence, autocompletion may not work as expected.
+            </div>
+        )
+    },
+
     {
         name: 'Textarea',
         slug: 'textarea',