update cards, add analytics page

Author: devalog

fern/products/ask-fern/ask-fern.yml

@@ -17,6 +17,8 @@ navigation:
         path: ./pages/features/documents.mdx
   - section: Features
     contents:
+      - page: Analytics
+        path: ./pages/features/analytics.mdx
       - page: Citations
         path: ./pages/features/citations.mdx
       - page: Insights

fern/products/ask-fern/pages/features/analytics.mdx

@@ -0,0 +1,13 @@
+---
+title: Analytics
+description: View usage metrics and conversation details from Ask Fern queries on your
+  documentation site.
+---
+
+The Analytics tab of your Fern Dashboard displays Ask Fern queries and conversations per day on your documentation site. You can view data by week, month, year, or all-time periods.
+
+Drill down into individual conversations to see the exact user queries and Ask Fern responses, helping you understand how users interact with your documentation. Track query volume and export data to identify trends and optimize your documentation strategy.
+
+## Data export
+
+Analytics data can be exported to CSV format for further analysis and reporting.

fern/products/ask-fern/pages/getting-started/what-is-ask-fern.mdx

@@ -29,7 +29,7 @@ Ask Fern helps you:
     icon="regular book-open"
     href="/learn/ask-fern/configuration/custom-prompts"
   >
-    Tailor Ask Fern behavior to your users' needs. 
+    Write custom prompts to improve accuracy and tailor responses for your specific audience. 
   </Card>
 
 </CardGroup>
@@ -38,6 +38,14 @@ Ask Fern helps you:
 
 <CardGroup cols={2}>
 
+  <Card 
+    title="Analytics" 
+    icon="regular fa-chart-simple"
+    href="/learn/ask-fern/features/analytics" 
+    >
+    View Ask Fern usage metrics and full conversation details on your Fern Dashboard.
+  </Card>
+
   <Card 
     title="Citations" 
     icon="fa-solid fa-quote-right"
@@ -51,15 +59,15 @@ Ask Fern helps you:
     icon="regular fa-question-circle"
     href="/learn/ask-fern/configuration/guidance" 
     >
-    Add custom FAQs to Ask Fern. 
+    Use guidance documents to override Ask Fern's responses to sensitive topics.
   </Card>
 
   <Card 
     title="Documents" 
     icon="regular file-alt"
     href="/learn/ask-fern/configuration/documents" 
     >
-    Add custom documents to Ask Fern. 
+    Add custom data sources to broaden Ask Fern's capabilities. 
   </Card>
 
   <Card