Replace the Rules submenus with a single Rules page
Replace the Rules submenus with a single Rules page

This change makes all the languages at the same level.

Closes #9401.

PiperOrigin-RevId: 269684167

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