Add RPM installation docs

docs/getting-started/install/rpm.md

@@ -0,0 +1,16 @@
+# RPM Package Installation Notes
+
+Dokku defaults to being installed via RPM package. While certain hosts may require extra work to get running, you may optionally wish to automate the installation of Dokku without the use of our `bootstrap.sh` bash script. The following are the steps run by said script:
+
+```shell
+# install docker
+curl -fsSL https://get.docker.com/ | sh
+
+# install epel for nginx packages to be available
+sudo yum install -y epel-release
+
+# install dokku
+curl -s https://packagecloud.io/install/repositories/dokku/dokku/script.rpm.sh | sudo bash
+sudo yum install -y herokuish dokku
+sudo dokku plugin:install-dependencies --core
+```

docs/getting-started/installation.md

@@ -48,6 +48,7 @@ For various reasons, certain hosting providers may have other steps that should
 As well, you may wish to customize your installation in some other fashion. or experiment with vagrant. The guides below should get you started:
 
 - [Debian Package Installation Notes](/dokku/getting-started/install/debian/)
+- [RPM Package Installation Notes](/dokku/getting-started/install/rpm/)
 - [Vagrant Installation Notes](/dokku/getting-started/install/vagrant/)
 - [Advanced Install Customization](/dokku/getting-started/advanced-installation/)