cloud/shepherd: move ssh client to own package

Change-Id: I56ad16f8f2f355243c5c0414656bbfbbff1faef5
Reviewed-on: https://review.monogon.dev/c/monogon/+/2791
Reviewed-by: Serge Bazanski <serge@monogon.tech>
Tested-by: Jenkins CI
diff --git a/go/net/ssh/BUILD.bazel b/go/net/ssh/BUILD.bazel
new file mode 100644
index 0000000..cb82262
--- /dev/null
+++ b/go/net/ssh/BUILD.bazel
@@ -0,0 +1,12 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "ssh",
+    srcs = ["ssh_client.go"],
+    importpath = "source.monogon.dev/go/net/ssh",
+    visibility = ["//visibility:public"],
+    deps = [
+        "@com_github_pkg_sftp//:sftp",
+        "@org_golang_x_crypto//ssh",
+    ],
+)