Common utils for rollun node-red

Nodes

List of nodes:
- Foreach node (foreach-start, foreach-end, foreach-break)
- Array map node (array-map-end, array-map-end-sync, array-map-break, array-map-start, array-map-start-sync)
- Deep merge node (deep-merge)
- Elastic logger node (elastic-logger)

Install

To install the stable version use the Menu - Manage palette - Install
option and search for node-red-contrib-rollun-common, or run the following
command in your Node-RED user directory, typically ~/.node-red

npm install node-red-contrib-rollun-common