Initial plugin runtime api implementation

test/unit/@node-red/runtime/lib/plugins_spec.js

@@ -0,0 +1,13 @@
+const should = require("should");
+const sinon = require("sinon");
+const NR_TEST_UTILS = require("nr-test-utils");
+
+const plugins = NR_TEST_UTILS.require("@node-red/runtime/lib/plugins");
+
+describe("runtime/plugins",function() {
+
+    it.skip("delegates all functions to registry module", function() {
+        // There's no easy way to test this as we can't stub the registry functions
+        // before the plugin module gets a reference to them
+    })
+});