Update grammar to include set sizes under "allSets"

Does this PR close any open issues?

Closes #284

Give a longer description of what this PR addresses and why it's needed

This PR adds set size information to allSets in the UpSet grammar. This is useful because currently the only way for setSize to be obtained via the grammar is to parse the rawData entry.

The visibleSets entry remains the same (list of names), as all visible sets are included under allSets.

Here is an example of the new allSets field:

"allSets": [
    {
      "name": "Set_School",
      "size": 6
    },
    {
      "name": "Set_Blue_Hair",
      "size": 3
    },
    {
      "name": "Set_Duff_Fan",
      "size": 6
    },
    {
      "name": "Set_Evil",
      "size": 6
    },
    {
      "name": "Set_Male",
      "size": 18
    },
    {
      "name": "Set_Power_Plant",
      "size": 5
    }
  ]

NOTE: Anywhere that allSets is being used in applications which use the grammar will require updates to utilize newly generated grammar.

@elizaan upset-alt-txt can be updated accordingly to no longer use rawData if possible

Provide pictures/videos of the behavior before and after these changes (optional)

No changes to user interaction or app behavior

Are there any additional TODOs before this PR is ready to go?

TODOs:

[X] note changes to alt-text required

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visdesignlab / upset2