[Other] Removing redundant Overview pages from Cloudflare Fundamentals. (#17897)

* Removing redundant Overview pages.

* fixing bad indentation

Author: Oxyjun

src/content/docs/fundamentals/api/get-started/index.mdx

@@ -3,6 +3,8 @@ title: Get started
 pcx_content_type: get-started
 sidebar:
   order: 2
+  group:
+    hideIndex: true
 
 ---
 

src/content/docs/fundamentals/api/how-to/index.mdx

@@ -3,6 +3,8 @@ title: How to
 pcx_content_type: navigation
 sidebar:
   order: 3
+  group:
+    hideIndex: true
 
 ---
 

src/content/docs/fundamentals/api/index.mdx

@@ -3,6 +3,8 @@ title: Cloudflare's API
 pcx_content_type: overview
 sidebar:
   order: 6
+  group:
+    hideIndex: true
 
 ---
 

src/content/docs/fundamentals/api/reference/index.mdx

@@ -3,6 +3,8 @@ title: Reference
 pcx_content_type: navigation
 sidebar:
   order: 4
+  group:
+    hideIndex: true
 
 ---
 

src/content/docs/fundamentals/basic-tasks/index.mdx

@@ -3,6 +3,8 @@ pcx_content_type: navigation
 title: Basic tasks
 sidebar:
   order: 5
+  group:
+    hideIndex: true
 
 ---
 

src/content/docs/fundamentals/concepts/index.mdx

@@ -3,6 +3,8 @@ pcx_content_type: navigation
 title: Concepts
 sidebar:
   order: 2
+  group:
+    hideIndex: true
 
 ---
 

src/content/docs/fundamentals/reference/index.mdx

@@ -3,10 +3,13 @@ pcx_content_type: navigation
 title: Reference
 sidebar:
   order: 8
+  group:
+    hideIndex: true
 head:
   - tag: title
     content: Reference - Get started
 
+
 ---
 
 import { DirectoryListing } from "~/components"

src/content/docs/fundamentals/reference/policies-compliances/index.mdx

@@ -3,6 +3,8 @@ pcx_content_type: navigation
 title: Policies
 sidebar:
   order: 1
+  group:
+    hideIndex: true
 
 ---
 

src/content/docs/fundamentals/setup/account/account-security/index.mdx

@@ -3,6 +3,8 @@ pcx_content_type: navigation
 title: Account security
 sidebar:
   order: 6
+  group:
+    hideIndex: true
 
 ---
 

src/content/docs/fundamentals/setup/account/customize-account/index.mdx

@@ -3,6 +3,8 @@ title: Account customizations
 pcx_content_type: navigation
 sidebar:
   order: 7
+  group:
+    hideIndex: true
 head:
   - tag: title
     content: Customize account and profile