Package `pkg/crypto` was extracted as `github.com/talos-systems/crypto`
repository and Go module.
Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
This detangles the gRPC client code from the userdata code. The
motivation behind this is to make creating clients more simple and not
dependent on our configuration format.
Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
