Place the first example into the /etc/examples directory, removing it

from the regular view.  There will be many more soon.
Idea discussed for days with robert and ajacoutot

src/etc/examples/ldpd.conf

@@ -0,0 +1,21 @@
+#	$OpenBSD: ldpd.conf,v 1.1 2014/07/11 16:32:52 deraadt Exp $
+
+# macros
+fast="2"
+
+# global configuration
+# router-id 10.0.0.1
+# lfib-update no
+
+distribution independent
+retention liberal
+advertisement unsolicited
+
+interface bge0
+
+interface vlan5 {
+	hello-interval $fast
+}
+interface vlan6 {
+	passive
+}