gw: Add reasons to be handled by LWS callback
gw: Add reasons to be handled by LWS callback

This patch adds the potential reasons that needs to be handled by
the libwebsockets client.

CESARBR/knot-service-source,CESARBR/knot-service-source,CESARBR/knot-service-source,CESARBR/knot-service-source,CESARBR/knot-service-source