Update deploying.md
Update deploying.md

Apart from updating old links and polishing, we mention that rules rules_<lang> repo should contain <lang> directory and <lang>/defs.bzl file.

Fixes https://github.com/bazelbuild/bazel/issues/8392.

RELNOTES: None.
PiperOrigin-RevId: 251412423

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