Show info about base API version

Author: wsocha

content/guides/api-calls/api-versioning-strategy.md

@@ -17,7 +17,6 @@ To stay informed about the forthcoming API modifications, monitor the [Changelog
 
 </Message>
 
-<!-- Commenting this until we enable base version support in Public API Service
 <Message type='notice'>
 
 In 2024, Box introduced year-based API versioning.
@@ -29,7 +28,6 @@ All endpoints available at the end of 2024 were assigned the version `2024.0`.
 To make version-aware API calls, include the `box-version` header with the value `2024.0` in your requests.
 
 </Message>
--->
 
 ## How Box API versioning works