Flavio as Libnetwork maintainer

Flavio has been contributing various useful features in Docker 17.05
and 17.06 releases and also an active maintainer who helps with various
bug fixes and PR reviews

Signed-off-by: Madhu Venugopal <madhu@docker.com>

libnetwork/MAINTAINERS

@@ -17,6 +17,7 @@
 			"mavenugo",
 			"sanimej",
 			"chenchun",
+                        "fcrisciani",
 		]
 
 [people]
@@ -42,6 +43,11 @@
 	Email = "ramichen@tencent.com"
 	GitHub = "chenchun"
 
+	[people.fcrisciani]
+	Name = "Flavio Crisciani"
+	Email = "flavio.crisciani@docker.com"
+	GitHub = "fcrisciani"
+
 	[people.icecrime]
 	Name = "Arnaud Porterie"
 	Email = "arnaud@docker.com"