update slugs so links don't change

Author: devalog

fern/docs.yml

@@ -369,10 +369,6 @@ redirects:
     destination: /learn/docs/user-feedback
   - source: /learn/docs/customization/what-is-docs-yml
     destination: /learn/docs/configuration/what-is-docs-yml
-  - source: /learn/docs/integrations/analytics/:slug*
-    destination: /learn/docs/integrations/:slug*
-  - source: /learn/docs/integrations/support/:slug*
-    destination: /learn/docs/integrations/:slug*
 
   # ============================================================================
   # CLI & API REFERENCE REDIRECTS

fern/products/docs/docs.yml

@@ -227,17 +227,22 @@ navigation:
         path: ./pages/integrations/overview.mdx
       - page: Intercom
         path: ./pages/integrations/support/intercom.mdx
+        slug: support/intercom
       - page: Google
         path: ./pages/integrations/analytics/google.mdx
+        slug: analytics/google
       - page: PostHog
         path: ./pages/integrations/analytics/posthog.mdx
-        slug: posthog
+        slug: analytics/posthog
       - page: Fullstory
         path: ./pages/integrations/analytics/fullstory.mdx
+        slug: analytics/fullstory
       - page: Segment
         path: ./pages/integrations/analytics/segment.mdx
+        slug: analytics/segment
       - page: Mixpanel
         path: ./pages/integrations/analytics/mixpanel.mdx
+        slug: analytics/mixpanel
       - page: Postman
         path: ./pages/integrations/postman.mdx
       - page: LaunchDarkly feature flags 

fern/products/docs/pages/integrations/overview.mdx

@@ -7,15 +7,15 @@ description: "Integrate with third party platforms for analytics, support, etc."
 
 <Card
   title="PostHog"
-  href="/docs/integrations/posthog"
+  href="/docs/integrations/analytics/posthog"
   horizontal
   icon={<img src="https://cdn.brandfetch.io/id2veLU_gI/idG9S94wXO.svg" />}
   iconSize={12}
 />
 
 <Card
   title="Segment"
-  href="/docs/integrations/segment"
+  href="/docs/integrations/analytics/segment"
   horizontal
   icon={
     <img src="https://cdn.brandfetch.io/idiousYjQz/theme/dark/symbol.svg?k=id64Mup7ac&t=1717151164256?t=1717151164256" />
@@ -25,15 +25,15 @@ description: "Integrate with third party platforms for analytics, support, etc."
 
 <Card
   title="FullStory"
-  href="/docs/integrations/fullstory"
+  href="/docs/integrations/analytics/fullstory"
   horizontal
   icon={<img src="https://cdn.brandfetch.io/idRtIBDum6/w/400/h/400/theme/dark/icon.jpeg" />}
   iconSize={12}
 />
 
 <Card
   title="Intercom"
-  href="/docs/integrations/intercom"
+  href="/docs/integrations/support/intercom"
   horizontal
   icon={<img src="https://cdn.brandfetch.io/idYJNDWF1m/theme/dark/symbol.svg" />}
   iconSize={12}