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  Sendgrid as a service is generated. 
  /api/services/SendgridService.js created
  /api/config/sendgrid.js created

  #######################################
  Manual intervention required: 
  
  ### 1) Npm install sendgrid: 
    npm install @sendgrid/mail --save
  --------
  ### 2) Update /api/config/sendgrid.js
    - modify api key
    - modify default from name and email
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