adding insights to featured product list on docs homepage (#13744)

* adding insights to featured product list on docs homepage

* adjusting layout for 2 cards per row

content/docs/_index.md

@@ -35,6 +35,13 @@ sections:
     primary_button_link: /docs/esc/get-started/
     secondary_button_label: Install
     secondary_button_link: /docs/esc/download-install/
+  - heading: Pulumi Insights
+    description: "Asset management, compliance remediation and AI insights over the cloud"
+    link: /docs/insights/
+    primary_button_label: Get Started
+    primary_button_link: /docs/insights/get-started/
+    secondary_button_label: Create an account
+    secondary_button_link: https://app.pulumi.com/signup
   - heading: Pulumi Cloud
     description: "Managed service for using Pulumi open source at scale. Use SaaS or self-host"
     link: /docs/pulumi-cloud/

layouts/docs/home.html

@@ -74,7 +74,7 @@ <h2 id="{{ anchorize .heading }}">{{ .heading }}</h2>
 
                     <div class="tiles flex-wrap justify-left items-stretch mt-4">
                         {{ range .cards }}
-                        <div class="pb-4 md:pr-4 md:w-1/3">
+                        <div class="pb-4 md:pr-4 md:w-1/2">
                             <div class="tile h-full">
                                 <div class="block rounded shadow border border-gray-300 p-3 h-full flex flex-col">
                                     <a href="{{ .link }}">