robbawebba: add program to greet fellow gophers

Change-Id: I83583bf66af05c736978b18e3302331289154670
Reviewed-on: https://go-review.googlesource.com/132326
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

robbawebba/main.go

@@ -0,0 +1,12 @@
+// 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.
+
+// This package greets all of the fellow gophers.
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Println("Hello fellow gophers!")
+}