Adjust IA and give specific filename to workers tutorial

Author: RebeccaTamachiro

src/content/docs/secrets-store/integrations/index.mdx

@@ -0,0 +1,13 @@
+---
+title: Secrets Store integrations
+pcx_content_type: navigation
+sidebar:
+  order: 5
+  group:
+    label: Integrations
+    hideIndex: true
+---
+
+import { DirectoryListing } from "~/components";
+
+<DirectoryListing />

src/content/docs/secrets-store/integrations.mdx renamed to src/content/docs/secrets-store/integrations/workers.mdx

@@ -1,8 +1,8 @@
 ---
 title: Use secrets from your store with workers
-pcx_content_type: concept
+pcx_content_type: tutorial
 sidebar:
-  order: 5
+  order: 1
   label: Use with Workers
 ---