treewide: introduce osbase package and move things around

All except localregistry moved from metropolis/pkg to osbase,
localregistry moved to metropolis/test as its only used there anyway.

Change-Id: If1a4bf377364bef0ac23169e1b90379c71b06d72
Reviewed-on: https://review.monogon.dev/c/monogon/+/3079
Tested-by: Jenkins CI
Reviewed-by: Serge Bazanski <serge@monogon.tech>
diff --git a/osbase/test/ktest/init/BUILD.bazel b/osbase/test/ktest/init/BUILD.bazel
new file mode 100644
index 0000000..56b262c
--- /dev/null
+++ b/osbase/test/ktest/init/BUILD.bazel
@@ -0,0 +1,18 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
+
+go_library(
+    name = "init_lib",
+    srcs = ["main.go"],
+    importpath = "source.monogon.dev/osbase/test/ktest/init",
+    visibility = ["//visibility:private"],
+    deps = ["@org_golang_x_sys//unix"],
+)
+
+go_binary(
+    name = "init",
+    embed = [":init_lib"],
+    pure = "on",
+    visibility = [
+        "//visibility:public",
+    ],
+)