Refactor sidebars by removing and adding categories

Removed 'Access External Endpoints' category and added 'HTTP Fetch' document.

Author: stacy-qqq

sidebars.ts

@@ -149,19 +149,16 @@ const sidebars: SidebarsConfig = {
         },
       ],
     },
-    {
-      type: "category",
-      label: "Access External Endpoints",
-      items: [
-        "capabilities/server/http-fetch",
-        "capabilities/server/http-fetch-policy",
-      ],
-    },
     {
       type: "category",
       label: "Automation & Triggers",
       items: ["capabilities/server/scheduler", "capabilities/server/triggers"],
     },
+    {
+      type: "doc",
+      label: "HTTP Fetch",
+      id: "capabilities/http-fetch",
+    },
     {
       type: "category",
       label: "In-App Purchases",