message: doc: add `disabledProfileSources` to the schema
diff: "pattern": "^(-?\\d+)?(,\\s?(-?\\d+)?)?$",
  "type": "string"
  },
  + "DynamicProfileSource": {
  + "enum": [
  + "Windows.Terminal.Wsl",
  + "Windows.Terminal.Azure",
  + "Windows.Terminal.PowershellCore"
  + ],
  + "type": "string"
  + },
  "ProfileGuid": {
  "default": "{}",
  "pattern": "^\\{[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}\\}$",
  "$ref": "#/definitions/ProfileGuid",
  "description": "Sets the default profile. Opens by clicking the '+' icon or typing the key binding assigned to 'newTab'. The guid of the desired default profile is used as the value."
  },
  + "disabledProfileSources": {
  + "description": "Disables all the dynamic profile generators in this list, preventing them from adding their profiles to the list of profiles on startup.",
  + "items": {
  + "$ref": "#/definitions/DynamicProfileSource"
  + },
  + "type": "array"
  + },
  "initialCols": {
  "default": 120,
  "description": "The number of columns displayed in the window upon first load.",
  