Add file missing from previous commit

lib/plugins/runtimestate.js

@@ -0,0 +1,23 @@
+'use strict';
+
+function init() {
+
+  var runtime = {
+    name: 'runtimestate'
+    , label: 'Runtime state'
+    , pluginType: 'fake'
+  };
+
+  runtime.setProperties = function setProperties(sbx) {
+    sbx.offerProperty('runtimestate', function setProp ( ) {
+      return {
+        state: sbx.runtimeState
+      };
+    });
+  };
+
+  return runtime;
+
+}
+
+module.exports = init;