fix formatting issues in README.rst

the nested list items weren't rendering correctly on
github.

Change-Id: Ibf157c8bd4219112418304ff1499fe442f5b1f3e

README.rst

@@ -16,18 +16,27 @@ Features
 --------
 
 * generate-keystone-pki:
-  - Generate a certificate authority and a signing key for use with Keystone
+
+  * Generate a certificate authority and a signing key for use with Keystone
     Public Key Infrastructure token signing.
+
 * init-keystone:
-  - Initialize Keystone on a host with a provided admin token, admin e-mail
+
+  * Initialize Keystone on a host with a provided admin token, admin e-mail
     and admin password. Also allows optionally changing the region and the
     public endpoint that Keystone registers with itself.
+
 * register-nodes:
-  - Register nodes with a baremetal service, such as Nova-baremetal or Ironic.
+
+  * Register nodes with a baremetal service, such as Nova-baremetal or Ironic.
+
 * setup-endpoints:
-  - Register services, such as Glance and Cinder with a configured Keystone.
+
+  * Register services, such as Glance and Cinder with a configured Keystone.
+
 * setup-neutron:
-  - Configure Neutron at the cloud (not the host) level, setting up either a
+
+  * Configure Neutron at the cloud (not the host) level, setting up either a
     physical control plane network suitable for deployment clouds, or an
     external network with an internal floating network suitable for workload
     clouds.