Unbound: Add UCI primer files

-README.md to describe the UCI in detail
-unbound.uci to get you started

Signed-off-by: Eric Luehrsen <ericluehrsen@hotmail.com>

net/unbound/files/unbound.uci

@@ -0,0 +1,20 @@
+config unbound
+	option dnsmsaq_gate_name '0'
+	option dnsmasq_link_dns '0'
+	option dnsmasq_only_local '0'
+	option edns_size '1280'
+	option listen_port '53'
+	option localservice '1'
+	option manual_conf '0'
+	option query_minimize '0'
+	option rebind_localhost '0'
+	option rebind_protection '1'
+	option recursion 'passive'
+	option resource 'small'
+	option root_age '28'
+	option ttl_min '120'
+	option unbound_control '0'
+	option validator '0'
+	option validator_ntp '1'
+	#list domain_insecure ''
+