RFE: add the functionality to support HTTP2 full proxy

[amolari]

Is your feature request related to a problem? Please describe.

It's currently not possible to configure HTTP2 full proxy support (Virtual Server) with the Terraform BIG-IP provider

Describe the solution you'd like

add the functionality to support HTTP2 full proxy

Describe alternatives you've considered

none known

Additional context

Configuring HTTP/2 Full-proxy Support on the BIG-IP System