shwsun: add main.go for Boston Go meetup

Change-Id: Ia68c8f8db22f8242947d4fdc6a10e51c50479603
Reviewed-on: https://go-review.googlesource.com/52590
Reviewed-by: David Chase <drchase@google.com>
diff --git a/shwsun/main.go b/shwsun/main.go
new file mode 100644
index 0000000..1fff384
--- /dev/null
+++ b/shwsun/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("Distributed-systems Tracing rules!")
+}