docs: updated nav (#1313)

Author: technically-tracy

docs/sidebars.js

@@ -40,8 +40,14 @@ const sidebars = {
 					],
 				},
 				"concepts/ai-apps",
-				"concepts/custom-steps",
-				"concepts/custom-steps-dynamic-options",
+        		{
+          			type: 'category',
+          			label: 'Custom Steps',
+          			items: [
+            			'concepts/custom-steps',
+            			'concepts/custom-steps-dynamic-options',
+          			]
+        		},
 				{
 					type: "category",
 					label: "App Configuration",