DOC: examples: provide simplified ssl configuration

Provides a minimalistic ssl configuration example - no details because
they belong to doc/*.

examples/ssl.cfg

@@ -0,0 +1,26 @@
+# This configuration is a simplified example of how to use ssl on front
+# and backends with additional certificates loaded from a directory for SNI
+# capable clients.
+
+global
+	maxconn 100
+
+defaults
+	mode http
+	timeout connect 5s
+	timeout client 5s
+	timeout server 5s
+
+frontend myfrontend
+	# primary cert is /etc/cert/server.pem
+	# /etc/cert/certdir/ contains additional certificates for SNI clients
+	bind :443 ssl crt /etc/cert/server.pem crt /etc/cert/certdir/
+	bind :80
+	default_backend mybackend
+
+backend mybackend
+	# a http backend
+	server s3 10.0.0.3:80
+	# a https backend
+	server s4 10.0.0.3:443 ssl
+