Added core concepts page to Device identity docs refresh

README.mdx

@@ -4,6 +4,13 @@ disableSidebar: true
 
 <h1 className="text-center text-2xl md:text-3xl text-blue-900 mb-6">Documentation</h1>
 <div className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 gap-spacing-6">
+  <IndexCard
+    className="text-blue-500"
+    iconSrc="https://smallstep-cms-images.s3.us-east-2.amazonaws.com/icon_platforms_2.svg"
+    title="Platform"
+    description="Quickly and reliably connect devices, workloads, and people using end-to-end encryption."
+    href="/docs/platform/"
+  />
   <IndexCard
     className="text-blue-500"
     iconSrc="https://smallstep-cms-images.s3.us-east-2.amazonaws.com/icon_ssh_1_70b1ab2d27.svg"
@@ -53,11 +60,4 @@ disableSidebar: true
     description="Deploy the `step` toolchain across popular deployment scenarios. Learn by doing."
     href="/docs/tutorials/"
   />
-  <IndexCard
-    className="text-blue-900"
-    iconSrc="https://smallstep-cms-images.s3.us-east-2.amazonaws.com/icon_platforms_1_ee9b09a287.svg"
-    title="Platform"
-    description="Quickly and reliably connect devices, workloads, and people using end-to-end encryption."
-    href="/docs/platform/"
-  />
 </div>

manifest.json

@@ -17,12 +17,16 @@
           "title": "Platform"
         },
         {
-          "title": "Smallstep Overview",
+          "title": "About Smallstep",
           "routes": [
             {
-              "title": "About Smallstep",
+              "title": "Overview",
               "path": "/platform/README.mdx"
             },
+            {
+              "title": "Core Concepts",
+              "path": "/platform/core-concepts.mdx"
+            },
             {
               "title": "Smallstep API",
               "path": "/platform/smallstep-api.mdx"