Updated TOC, landing page, added redirect

Author: yelevin

articles/sentinel/TOC.yml

@@ -908,7 +908,7 @@
   - name: Kusto Query Language
     items:
     - name: Overview
-      href: kusto-overview.md
+      href: /kusto/query/kusto-sentinel-overview?toc=/azure/sentinel/TOC.json&bc=/azure/sentinel/breadcrumb/toc.json
     - name: Query best practices
       href: /kusto/query/best-practices?view=microsoft-sentinel&preserve-view=true&toc=/azure/sentinel/TOC.json&bc=/azure/sentinel/breadcrumb/toc.json
     - name: SQL to KQL cheat sheet

articles/sentinel/index.yml

@@ -136,7 +136,7 @@ landingContent:
           - text: Threat hunting
             url: hunting.md
           - text: Kusto Query Language in Microsoft Sentinel
-            url: kusto-overview.md
+            url: /kusto/query/kusto-sentinel-overview?toc=/azure/sentinel/TOC.json&bc=/azure/sentinel/breadcrumb/toc.json
           - text: Automation rules
             url: automate-incident-handling-with-automation-rules.md
           - text: Playbooks

redirects/.openpublishing.redirection.sentinel.json

@@ -1,5 +1,10 @@
 {
     "redirections": [
+        {
+            "source_path_from_root": "/articles/sentinel/kusto-overview.md",
+            "redirect_url": "/kusto/query/kusto-sentinel-overview?toc=/azure/sentinel/TOC.json&bc=/azure/sentinel/breadcrumb/toc.json",
+            "redirect_document_id": true
+        },
         {
             "source_path_from_root": "/articles/sentinel/business-applications/power-platform-solution-troubleshoot.md",
             "redirect_url": "/azure/sentinel/business-applications/solution-overview",