Use valid name for local_repository example in external project docs
Use valid name for local_repository example in external project docs

Addresses #4018

Closes #4020.

PiperOrigin-RevId: 176750087

safarmer/bazel,davidzchen/bazel,katre/bazel,cushon/bazel,dslomov/bazel-windows,ButterflyNetwork/bazel,dropbox/bazel,davidzchen/bazel,aehlig/bazel,meteorcloudy/bazel,akira-baruah/bazel,twitter-forks/bazel,dropbox/bazel,cushon/bazel,ulfjack/bazel,twitter-forks/bazel,meteorcloudy/bazel,dropbox/bazel,meteorcloudy/bazel,davidzchen/bazel,akira-baruah/bazel,ButterflyNetwork/bazel,dslomov/bazel,twitter-forks/bazel,safarmer/bazel,meteorcloudy/bazel,meteorcloudy/bazel,ulfjack/bazel,ulfjack/bazel,safarmer/bazel,aehlig/bazel,bazelbuild/bazel,aehlig/bazel,werkt/bazel,davidzchen/bazel,dropbox/bazel,meteorcloudy/bazel,dslomov/bazel,perezd/bazel,werkt/bazel,ulfjack/bazel,aehlig/bazel,dslomov/bazel-windows,dslomov/bazel-windows,cushon/bazel,werkt/bazel,ulfjack/bazel,dslomov/bazel,katre/bazel,akira-baruah/bazel,perezd/bazel,dropbox/bazel,dslomov/bazel-windows,cushon/bazel,ButterflyNetwork/bazel,bazelbuild/bazel,ulfjack/bazel,perezd/bazel,perezd/bazel,dropbox/bazel,ButterflyNetwork/bazel,werkt/bazel,perezd/bazel,dslomov/bazel-windows,bazelbuild/bazel,dslomov/bazel,bazelbuild/bazel,akira-baruah/bazel,twitter-forks/bazel,katre/bazel,safarmer/bazel,katre/bazel,werkt/bazel,aehlig/bazel,aehlig/bazel,davidzchen/bazel,dslomov/bazel-windows,davidzchen/bazel,dslomov/bazel,twitter-forks/bazel,cushon/bazel,perezd/bazel,bazelbuild/bazel,ButterflyNetwork/bazel,katre/bazel,katre/bazel,ulfjack/bazel,safarmer/bazel,ButterflyNetwork/bazel,werkt/bazel,davidzchen/bazel,bazelbuild/bazel,dslomov/bazel,akira-baruah/bazel,twitter-forks/bazel,akira-baruah/bazel,safarmer/bazel,perezd/bazel,twitter-forks/bazel,dslomov/bazel,aehlig/bazel,cushon/bazel,meteorcloudy/bazel