categories.json

{
  "arrows": [],
  "brands": [],
  "code": [],
  "connectivity": ["airplay"],
  "cursors": [],
  "development": [],
  "devices": ["alarm-clock"],
  "file-system": [],
  "layout": [],
  "maths": ["activity"],
  "multimedia": [],
  "notifications": ["alert-circle", "alert-octagon", "alert-triangle"],
  "nature": [],
  "shopping": [],
  "shapes": [],
  "sports": [],
  "text-edit": ["align-center","align-right","align-left","align-justify" ]
}