cyacco: adding hello from gophercon example

Change-Id: Iab42df8fb04db4abbdfeeda16dfd2fa30e89a3bb
Reviewed-on: https://go-review.googlesource.com/132301
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

cyacco/main.go

@@ -0,0 +1,11 @@
+// Copyright 2018 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("hello from gohpercon")
+}