csduarte: add main.go for Gophercon!

Change-Id: I0154ddc5bad807b8b5cb3a716b27d80d3cab27d0
Reviewed-on: https://go-review.googlesource.com/48907
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/csduarte/main.go b/csduarte/main.go
new file mode 100644
index 0000000..cd22d42
--- /dev/null
+++ b/csduarte/main.go
@@ -0,0 +1,11 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Println("containers rule!")
+}