rearrange some links

Author: halkazwini

articles/web-application-firewall/toc.yml

@@ -44,6 +44,8 @@ items:
     items:
     - name: Create WAF policy - portal
       href: ./afds/waf-front-door-create-portal.md
+    - name: Configure WAF policy - PowerShell
+      href: ./afds/waf-front-door-custom-rules-powershell.md
 - name: Configure
   items:
   - name: Application Gateway
@@ -106,12 +108,10 @@ items:
       href: ./ag/waf-engine.md
   - name: Front Door
     items:
-    - name: WAF Policy
-      items:
-      - name: Policy settings
-        href: ./afds/waf-front-door-policy-settings.md
-      - name: Configure WAF policy - PowerShell
-        href: ./afds/waf-front-door-custom-rules-powershell.md
+    - name: Policy settings
+      href: ./afds/waf-front-door-policy-settings.md
+    - name: Configure custom response code
+      href: ./afds/waf-front-door-configure-custom-response-code.md
     - name: Managed rules
       items:
       - name: Overview
@@ -140,8 +140,6 @@ items:
         href: geomatch-custom-rules-examples.md
     - name: Tuning
       href: ./afds/waf-front-door-tuning.md
-    - name: Configure custom response code
-      href: ./afds/waf-front-door-configure-custom-response-code.md
   - name: Use Azure Policy
     href: ./shared/waf-azure-policy.md
   - name: Configure policies using Firewall Manager