Add support for GVA subscription
In "Prototype de GVA" forum thread, the subscriptions are now served on GVA
endpoint type with an additional /subscription
path to the specified path /$gva_path
in the GVA
endpoint.
- Introduce helper(s)
- Introduce example
-
Add support for
/$gva_path/subscription
path.$gva_path is found in
GVAEndpoint`