fix(node): missing comma in package.json

Author: TorstenDittmann

templates/node/package.json.twig

@@ -5,7 +5,7 @@
   "version": "{{ sdk.version }}",
   "license": "{{ sdk.license }}",
   "main": "./index.js",
-  "types": "./index.d.ts"
+  "types": "./index.d.ts",
   "repository": {
     "type": "git",
     "url": "{{ sdk.gitURL }}"