message: feat(gui): Add ref params to homepage links in menu
  This adds a `ref` param to the URLs in the menu,
  in order to see where page views are coming from.
  Change-Type: patch
diff: @@ -84,13 +84,13 @@ const buildWindowMenu = (window) => {
  {
  label: 'Etcher Pro',
  click () {
  - electron.shell.openExternal('https://etcher.io/pro')
  + electron.shell.openExternal('https://etcher.io/pro?utm_source=etcher_menu&ref=etcher_menu')
  }
  },
  {
  label: 'Etcher Website',
  click () {
  - electron.shell.openExternal('https://etcher.io')
  + electron.shell.openExternal('https://etcher.io?ref=etcher_menu')
  }
  },
  {
  