Trying to add categories / tabs

I am trying to add my Bradley Drops:

and my Heli Signals: 

to my Welcome panel, with absolutely no success.  Can you explain how to add these?  Thanks. 

Simply select any existing category and just copy paste new right under it. 


example

{
      "Name": "New Category",
      "Icon": "",
      "Font Size": 12,
      "Font Color": "1 1 1 1",
      "Font Outline Color": "0 0 0 1",
      "Font Outline Thickness": "0.5",
      "Font": "robotocondensed-bold.ttf",
      "Text Background Image": "",
      "Text Alignment": 3,
      "Text Lines": [
        [
          "your text here"
        ]
      ],
      "Addon (plugin name)": ""
    },

Changed Status from Pending to Not a Bug