dark5un: add my very own main.go

Change-Id: I567907608c6a94d86da5eb4a8ddc77f7146ad10b
Reviewed-on: https://go-review.googlesource.com/127595
Reviewed-by: Paul Jolly <paul@myitcv.org.uk>
Run-TryBot: Paul Jolly <paul@myitcv.org.uk>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/dark5un/main.go b/dark5un/main.go
new file mode 100644
index 0000000..55f33b3
--- /dev/null
+++ b/dark5un/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("vim-go")
+}