Document top-level directories
Change-Id: I52889e4823cbeb841c7dc9da12b5fe4c6a79d663
Reviewed-on: https://review.monogon.dev/c/monogon/+/3310
Tested-by: Jenkins CI
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
diff --git a/osbase/README.md b/osbase/README.md
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+# `//osbase`
+
+osbase is our SDK for building an operating system. It contains low-level building blocks for making a "mini OS" such as ktest, the cloud agent or Monogon OS itself.