Create BUILD files in top-level subdirectories

api/BUILD

+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])

cluster/BUILD

+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])

cmd/BUILD

+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])

federation/BUILD

+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])

hack/BUILD

+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])

pkg/BUILD

+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])

plugin/BUILD

+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])

test/BUILD

+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])

third_party/BUILD

+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])