chore(docs): add redirects for cli docs (#5807)

* chore(docs): add redirects for cli docs

* remove mdx reference and add permanent: true

fern/docs.yml

@@ -34,7 +34,7 @@ tabs:
   cli-api:
     display-name: CLI & API Reference
     icon: fa-regular fa-code
-    slug: cli-api
+    skip-slug: true
 
 css: ./assets/styles.css
 
@@ -563,8 +563,10 @@ navigation:
         contents:
           - page: Get Started with Fern CLI
             path: ./pages/cli-api/cli-get-started.mdx
+            slug: overview
           - page: Global Options
             path: ./pages/cli-api/global-options.mdx
+            slug: options
           - page: Commands
             path: ./pages/cli-api/commands.mdx
           - changelog: ./pages/changelogs/cli
@@ -641,55 +643,61 @@ redirects:
     permanent: true
   - source: /learn/api-definition/fern/api-yml-reference
     destination: /learn/api-definition/fern/api-yml/overview
+    permanent: true
   - source: /learn/docs/api-references/api-playground/:slug
     destination: /learn/docs/api-references/api-explorer/:slug
+    permanent: true
   - source: /learn/docs/api-references/api-playground
     destination: /learn/docs/api-references/api-explorer
+    permanent: true
   - source: /learn/sdks/features/:slug
     destination: /learn/sdks/capabilities/:slug
+    permanent: true
   - source: /learn/sdks/package-managers/:slug
     destination: /learn/sdks/guides/publish-to-package-managers/:slug
+    permanent: true
   - source: /learn/sdks/introduction/configuration
     destination: /learn/sdks/introduction/language-support
+    permanent: true
   - source: /learn/sdks/getting-started/generate-your-first-sdk
     destination: /learn/sdks/guides/generate-your-first-sdk
+    permanent: true
   - source: /learn/sdks/getting-started/preview-your-sdk-locally
     destination: /learn/sdks/guides/preview-your-sdk-locally
+    permanent: true
   - source: /learn/sdks/getting-started/publish-a-public-facing-sdk
     destination: /learn/sdks/guides/publish-a-public-facing-sdk
+    permanent: true
   - source: /learn/docs/building-your-docs/:slug
     destination: /learn/docs/building-and-customizing-your-docs/:slug
+    permanent: true
   - source: /learn/cli-api/cli-reference/cli-overview
     destination: /learn/cli-api/cli/overview
+    permanent: true
   - source: /learn/cli-api/cli-reference/get-started
     destination: /learn/cli-api/cli/get-started
+    permanent: true
   - source: /learn/cli-api/cli-reference/cli-get-started
     destination: /learn/cli-api/cli/get-started
+    permanent: true
   - source: /learn/cli-api/overview
     destination: /learn/cli-api/cli/overview
+    permanent: true
   - source: /learn/cli-api/get-started
     destination: /learn/cli-api/cli/get-started
-  - source: ./pages/fern-docs/content/write-markdown.mdx
-    destination: ./pages/docs/writing-content/write-markdown.mdx
-  - source: ./pages/fern-docs/content/frontmatter.mdx
-    destination: ./pages/docs/writing-content/frontmatter.mdx
-  - source: ./pages/fern-docs/content/reusable-snippets.mdx
-    destination: ./pages/docs/writing-content/reusable-snippets.mdx
-  - source: ./pages/fern-docs/content/generate-api-ref.mdx
-    destination: ./pages/docs/api-references/generate-api-ref.mdx
-  - source: ./pages/fern-docs/config/sdk-snippets.mdx
-    destination: ./pages/docs/api-references/sdk-snippets.mdx
-  - source: ./pages/fern-docs/content/api-explorer.mdx
-    destination: ./pages/docs/api-references/api-explorer.mdx
-  - source: ./pages/fern-docs/content/autopopulate-api-key.mdx
-    destination: ./pages/docs/api-references/autopopulate-api-key.mdx
-  - source: ./pages/fern-docs/content/customize-api-explorer.mdx
-    destination: ./pages/docs/api-references/customize-api-explorer.mdx
-  - source: ./pages/fern-docs/config/endpoint-errors.mdx
-    destination: ./pages/docs/api-references/endpoint-errors.mdx
-  - source: ./pages/fern-docs/config/audiences.mdx
-    destination: ./pages/docs/api-references/audiences.mdx
-  - source: ./pages/fern-docs/content/customize-api-ref.mdx
-    destination: ./pages/docs/api-references/customize-api-ref.mdx
-  - source: ./pages/fern-docs/content/api-ref-content.mdx
-    destination: ./pages/docs/api-references/api-ref-content.mdx
+    permanent: true
+  - source: /learn/cli-api/cli-reference/get-started-with-fern-cli
+    destination: /learn/cli-reference/overview
+    permanent: true
+  - source: /learn/cli-api/cli-reference/global-options
+    destination: /learn/cli-reference/options
+    permanent: true
+  - source: /learn/cli-api/cli-reference/commands
+    destination: /learn/cli-reference/commands
+    permanent: true
+  - source: /learn/cli-api/cli-reference/changelog
+    destination: /learn/cli-reference/changelog
+    permanent: true
+  - source: /learn/cli-api/api-reference/overview
+    destination: /learn/api-reference/overview
+    permanent: true