npm install nodecloud-azure-plugin does not work

## Expected Behavior
`npm install nodecloud-azure-plugin` should install the plugin

## Actual Behavior
`npm install nodecloud-azure-plugin` does not install the plugin

## Steps to Reproduce the Problem

  1. run `npm install nodecloud-azure-plugin` in terminal

## Specifications

  - Version: 18.04
  - Platform: ubuntu
  - Subsystem:
