garrmcnu: add my very own main.go

Change-Id: Ia55743b4f82e38b54322d02a8fafbeff17c7ee1b
Reviewed-on: https://go-review.googlesource.com/c/scratch/+/191301
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>

garrmcnu/main.go

diff --git a/garrmcnu/main.go b/garrmcnu/main.go
new file mode 100644
index 0000000..94f26c5
--- /dev/null
+++ b/garrmcnu/main.go
@@ -0,0 +1,11 @@
+// Copyright 2019 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 World!")
+}