add batch of docs

Signed-off-by: martin f. krafft <madduck@madduck.net>
diff --git a/examples/classes/unixnode.yml b/examples/classes/unixnode.yml
new file mode 100644
index 0000000..26c6583
--- /dev/null
+++ b/examples/classes/unixnode.yml
@@ -0,0 +1,6 @@
+classes:
+  - basenode
+applications:
+  - motd
+parameters:
+  greeting: Hello, world!