docs: added cloud infrastructure guide (#12783)

* docs: added cloud infrastructure guide

* added md route

* fixes

www/apps/cloud/sidebar.mjs

@@ -44,6 +44,11 @@ export const sidebar = [
         title: "Resources",
         initialOpen: true,
         children: [
+          {
+            type: "link",
+            title: "Infrastructure",
+            path: "/infrastructure",
+          },
           {
             type: "link",
             title: "Database",