2shortplanks: add my very own main.go

My very own main.go file added during the workshop at Gophercon UK 2019

Change-Id: I3c3743dc8a03ae71909328616c911c44749dbc63
Reviewed-on: https://go-review.googlesource.com/c/scratch/+/191303
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/2shortplanks/main.go b/2shortplanks/main.go
new file mode 100644
index 0000000..b9052ff
--- /dev/null
+++ b/2shortplanks/main.go
@@ -0,0 +1,13 @@
+// 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 Gophercon UK 2019")
+}