Move openSUSE installation instructions to community-supported packages.

Also sort supported platforms in order of estimated popularity, and community-supported packages in alphabetical order.

RELNOTES: None
PiperOrigin-RevId: 294688205
diff --git a/site/docs/install.md b/site/docs/install.md
index 1881480..ce631e1 100644
--- a/site/docs/install.md
+++ b/site/docs/install.md
@@ -8,19 +8,20 @@
 See the instructions for installing Bazel on:
 
 *   [Ubuntu Linux](install-ubuntu.md)
-*   [openSUSE](install-suse.md)
-*   [Fedora 25, 26, 27, 28, and CentOS 7](install-redhat.md)
 *   [macOS](install-os-x.md)
 *   [Windows](install-windows.md)
 
 ## Community-Supported Packages
+
 *   [Arch Linux](https://www.archlinux.org/packages/community/x86_64/bazel/)
+*   [Fedora 25, 26, 27, 28, and CentOS 7](install-redhat.md)
+*   [FreeBSD](https://www.freshports.org/devel/bazel)
 *   [Gentoo](https://packages.gentoo.org/packages/dev-util/bazel)
 *   [Linuxbrew](https://github.com/Linuxbrew/homebrew-core/blob/master/Formula/bazel.rb)
-*   [Scoop](https://github.com/scoopinstaller/scoop-main/blob/master/bucket/bazel.json)
 *   [Nixpkgs](https://github.com/NixOS/nixpkgs/blob/master/pkgs/development/tools/build-managers/bazel/default.nix)
+*   [openSUSE](install-suse.md)
 *   [Parabola](https://www.parabola.nu/packages/?q=bazel)
-*   [FreeBSD](https://www.freshports.org/devel/bazel)
+*   [Scoop](https://github.com/scoopinstaller/scoop-main/blob/master/bucket/bazel.json)
 
 ## Community-Supported Architectures
 *   [ppc64le](https://oplab9.parqtec.unicamp.br/pub/ppc64el/bazel)