docs: Fix Redirect URI in ManualAppRegistrationConfiguration

Updated the Redirect URI format in the manual app registration instructions.

Author: Prajwal-Microsoft

docs/ManualAppRegistrationConfiguration.md

@@ -82,7 +82,7 @@ This guide provides detailed steps to manually register both front-end and backe
 - Under **Redirect URI**, choose **Web** and enter:
 
   ```
-  https://<api-app-url>azurecontainerapps.io/auth/login/aad/callback
+  https://<api-app-url>azurecontainerapps.io/.auth/login/aad/callback
   ```
 
   To find your Web App URL:
@@ -136,4 +136,4 @@ This guide provides detailed steps to manually register both front-end and backe
 
 You have now manually configured Azure App Registrations.
 
-For further configuration and steps, proceed to Step 2 in [Configure App Authentication](./ConfigureAppAuthentication.md#step-2-configure-application-registration---web-application).
+For further configuration and steps, proceed to Step 2 in [Configure App Authentication](./ConfigureAppAuthentication.md#step-2-configure-application-registration---web-application).