add hostname role

roles/hostname/README.md

@@ -0,0 +1,39 @@
+Role Name
+=========
+
+Set the node's hostname.
+
+Requirements
+------------
+
+None
+
+Role Variables
+--------------
+
+`hostname`
+
+Dependencies
+------------
+
+Example Playbook
+----------------
+
+Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:
+
+```yaml
+
+- hosts: servers
+  roles:
+     - { role: username.rolename, x: 42 }
+```
+
+License
+-------
+
+BSD
+
+Author Information
+------------------
+
+corvus-migratorius@proton.me