fix: Added Step to set Unauthenticated request for Web

Author: Prajwal-Microsoft

docs/ConfigureAppAuthentication.md

@@ -19,6 +19,9 @@ We will add Microsoft Entra ID as an authentication provider to API and Web Appl
    - Select **Microsoft** and set **Client secret expiration**, then click **Add** button.  
      ![add_auth_provider_web_2](./Images/add_auth_provider_web_2.png)
 
+    - Set **Unauthenticated requests**, then click **Add** button.  
+     ![add_auth_provider_api_3](./Images/add_auth_provider_web_4.png)
+
 > **Note:** If you encounter the following error message indicating that your organization's policy prohibits the automatic use of secrets, please refer to our [Manual App Registration Configuration](./ManualAppRegistrationConfiguration.md) for detailed manual setup instructions.
 >  ![add_auth_provider_web_3](./Images/add_auth_provider_web_3.png)