Add documentation for running Bazel in an airgapped environment using distribution directories
Add documentation for running Bazel in an airgapped environment using distribution directories

This use case seems to be getting more common, I figured it'll be good to document it.

Closes #11521.

PiperOrigin-RevId: 314298097

katre/bazel,twitter-forks/bazel,meteorcloudy/bazel,bazelbuild/bazel,meteorcloudy/bazel,safarmer/bazel,werkt/bazel,katre/bazel,werkt/bazel,bazelbuild/bazel,meteorcloudy/bazel,safarmer/bazel,meteorcloudy/bazel,perezd/bazel,ButterflyNetwork/bazel,ulfjack/bazel,werkt/bazel,werkt/bazel,ButterflyNetwork/bazel,twitter-forks/bazel,ButterflyNetwork/bazel,davidzchen/bazel,meteorcloudy/bazel,twitter-forks/bazel,perezd/bazel,katre/bazel,bazelbuild/bazel,davidzchen/bazel,davidzchen/bazel,cushon/bazel,bazelbuild/bazel,werkt/bazel,ulfjack/bazel,perezd/bazel,ulfjack/bazel,twitter-forks/bazel,perezd/bazel,twitter-forks/bazel,ButterflyNetwork/bazel,davidzchen/bazel,ulfjack/bazel,cushon/bazel,davidzchen/bazel,ulfjack/bazel,katre/bazel,cushon/bazel,cushon/bazel,davidzchen/bazel,ulfjack/bazel,meteorcloudy/bazel,cushon/bazel,davidzchen/bazel,ButterflyNetwork/bazel,twitter-forks/bazel,twitter-forks/bazel,bazelbuild/bazel,safarmer/bazel,katre/bazel,katre/bazel,ulfjack/bazel,perezd/bazel,werkt/bazel,perezd/bazel,perezd/bazel,ButterflyNetwork/bazel,bazelbuild/bazel,safarmer/bazel,cushon/bazel,meteorcloudy/bazel,safarmer/bazel,safarmer/bazel