Initial plugin runtime api implementation

packages/node_modules/@node-red/registry/lib/index.js

@@ -28,6 +28,7 @@ var registry = require("./registry");
 var loader = require("./loader");
 var installer = require("./installer");
 var library = require("./library");
+var plugins = require("./plugins");
 
 /**
  * Initialise the registry with a reference to a runtime object
@@ -40,6 +41,7 @@ function init(runtime) {
     // the util module it. The Util module is responsible for constructing the
     // RED object passed to node modules when they are loaded.
     loader.init(runtime);
+    plugins.init(runtime.settings);
     registry.init(runtime.settings,loader);
     library.init();
 }
@@ -297,6 +299,12 @@ module.exports = {
      */
     getNodeExampleFlowPath: library.getExampleFlowPath,
 
+    registerPlugin: plugins.registerPlugin,
+    getPlugin: plugins.getPlugin,
+    getPluginsByType: plugins.getPluginsByType,
+    getPluginList: plugins.getPluginList,
+    getPluginConfigs: plugins.getPluginConfigs,
+
     deprecated: require("./deprecated")
 
 };