[mqtt] Implements mqtt publish tooling

vendor/github.com/Microsoft/hcsshim/osversion/windowsbuilds.go

@@ -0,0 +1,10 @@
+package osversion
+
+const (
+
+	// RS2 was a client-only release in case you're asking why it's not in the list.
+	RS1 = 14393
+	RS3 = 16299
+	RS4 = 17134
+	RS5 = 17763
+)