Move Linux agenet docs to 'Configure devices' section

Author: tashian

manifest.json

@@ -40,10 +40,6 @@
               "title": "Build Your Inventory",
               "path": "/platform/enrollment-guide.mdx"
             },
-            {
-              "title": "Deploy to Linux",
-              "path": "/platform/smallstep-agent.mdx"
-            },
             {
               "title": "Connect Google Workspace",
               "path": "/tutorials/connect-google-workspace-to-smallstep.mdx"
@@ -73,6 +69,10 @@
               "title": "Install the Smallstep App",
               "path": "/platform/smallstep-app.mdx"
             },
+            {
+              "title": "Deploy to Linux",
+              "path": "/platform/smallstep-agent.mdx"
+            },
             {
               "title": "Configure Browser Certificates",
               "path": "/tutorials/browser-certificate-setup-guide.mdx"