message: Add app-maker to the graveyard
diff: [
  + {
  + "dateClose": "2021-01-19",
  + "dateOpen": "2016-11-30",
  + "description": "App Maker was a tool that allowed its users to build and deploy custom business apps easily and securely on the web without writing much code.",
  + "link": "https://en.wikipedia.org/wiki/Google_App_Maker",
  + "name": "App Maker",
  + "type": "service"
  + },
  {
  "dateClose": "2018-01-12",
  "dateOpen": "2016-06-30",
  