Introduce 'Plugins' plugin to embed external services

Change-Id: Iffc71635c27ceec91fc1beef248d79f56adcad17
diff --git a/package.json b/package.json
index 97bed86..d05776c 100755
--- a/package.json
+++ b/package.json
@@ -2,8 +2,8 @@
   "name": "Kalamar",
   "description": "Mojolicious-based Frontend for KorAP",
   "license": "BSD-2-Clause",
-  "version": "0.39.1",
-  "pluginVersion": "0.2",
+  "version": "0.39.2",
+  "pluginVersion": "0.2.1",
   "engines": {
     "node": ">=6.0.0"
   },