Update bazelrc example by linking to bazelrc-preset.bzl (#458)

Author: hofbi

bazelrc/README.md

@@ -1,4 +1 @@
-This repository demonstrates Aspect's [bazelrc Presets](https://docs.aspect.build/guides/bazelrc) feature.
-
-- See the `/.aspect/bazelrc` folder for the presets themselves, and the `/.bazelrc` file where they are imported.
-- See https://github.com/aspect-build/bazel-lib/tree/main/.aspect/bazelrc for the most up to date version of Aspect's recommended Bazel options.
+Find all relevant information at [bazelrc-preset.bzl](https://github.com/bazel-contrib/bazelrc-preset.bzl).