cilium, client: add recorder API to client package
cilium, client: add recorder API to client package

Add an initial client recorder package which the cilium cli will
be using in upcoming commits.

Signed-off-by: Daniel Borkmann <3d0f3b9ddcacec30c4008c5e030e6c13a478cb4f@iogearbox.net>

michi-covalent/cilium,michi-covalent/cilium,cilium/cilium,tklauser/cilium,cilium/cilium,tklauser/cilium,tgraf/cilium,tgraf/cilium,tgraf/cilium,tgraf/cilium,cilium/cilium,michi-covalent/cilium,tgraf/cilium,michi-covalent/cilium,cilium/cilium,tklauser/cilium,michi-covalent/cilium,tklauser/cilium,tklauser/cilium,tgraf/cilium,cilium/cilium