Create a maintenance mutex skeleton within luci-go

maintenancemutex/cmd/main.go

Index: maintenancemutex/cmd/main.go
diff --git a/maintenancemutex/cmd/main.go b/maintenancemutex/cmd/main.go
new file mode 100644
index 0000000000000000000000000000000000000000..7a5b8015d24d1418c42a38ef1221fc0dfc42af36
--- /dev/null
+++ b/maintenancemutex/cmd/main.go
@@ -0,0 +1,9 @@
+// Copyright 2017 The LUCI Authors. All rights reserved.

[iannucci, 2017/07/10 19:40:23]

put this in a subfolder '//mmutex/cmd/mmutex', or go will compile this to an
executable called 'main'

[charliea (OOO until 10-5), 2017/07/10 19:56:50]

Done.

+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+package cmd

[iannucci, 2017/07/10 19:40:23]

main packages always have the package 'main'

[charliea (OOO until 10-5), 2017/07/10 19:56:50]

Done.

+
+func main() {
+	// TODO(charliea): Write the command line interface.
+}