Add ServiceNow module documentation with Usage anchors

Author: EliNedyalkova

docs/product-integrations/servicenow.md

@@ -7,13 +7,13 @@ parent: product-integrations
 permalink: /product-integrations/servicenow/
 anchors:
   what-is-servicenow: What Is ServiceNow?
-  usage-login-to-servicenow-instance: Usage - Login to ServiceNow instance
-  usage-user-impersonation-in-servicenow: Usage - User Impersonation in ServiceNow
-  usage-serviceNow-record-form: Usage - ServiceNow Record Form
-  usage-working-with-serviceNow-table-view: Usage - Working with ServiceNow Table View
-  usage-left-navigation-in-servicenow: Usage - Left Navigation in ServiceNow
-  usage-servicenow-data-creation: Usage - ServiceNow Data Creation
-  usage-uib-dashboard-record-view-table-view: Usage - UIB Dashboard, Record View, Table View
+  usage---login-to-servicenow-instance: Usage - Login to ServiceNow instance
+  usage---user-impersonation-in-servicenow: Usage - User Impersonation in ServiceNow
+  usage---serviceNow-record-form: Usage - ServiceNow Record Form
+  usage---working-with-serviceNow-table-view: Usage - Working with ServiceNow Table View
+  usage---left-navigation-in-servicenow: Usage - Left Navigation in ServiceNow
+  usage---servicenow-data-creation: Usage - ServiceNow Data Creation
+  usage---uib-dashboard-record-view-table-view: Usage - UIB Dashboard, Record View, Table View
   config: Configuration
 ---
 What is ServiceNow?