Update maintainers and add CODEOWNERS for github

Signed-off-by: Ulysses Souza <[email protected]>

.github/CODEOWNERS

@@ -0,0 +1,6 @@
+# GitHub code owners
+# See https://help.github.com/articles/about-codeowners/
+#
+# KEEP THIS FILE SORTED. Order is important. Last match takes precedence.
+
+*       @ndeloof @rumpl @ulyssessouza

MAINTAINERS

@@ -11,6 +11,7 @@
 [Org]
 	[Org."Core maintainers"]
 		people = [
+			"ndeloof",
 			"rumpl",
 			"ulyssessouza",
 		]
@@ -77,6 +78,11 @@
 	Email = "[email protected]"
 	GitHub = "mnowster"
 
+	[people.ndeloof]
+	Name = "Nicolas De Loof"
+	Email = "[email protected]"
+	GitHub = "ndeloof"
+
 	[people.rumpl]
 	Name = "Djordje Lukic"
 	Email = "[email protected]"