json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "title": "Theme",
      "description": "Theme objects",
      "type": "object",
      "properties": {
          "name": {
              "description": "Name of the theme",
              "type": "string"
          },
          "author": {
              "description": "Author of the theme",
              "type": "string"
          },
          "description": {
              "description": "Description of the theme",
              "type": "string"
          },
          "body": {
              "type": "array"
          },
          "main": {
              "type": "array"
          },
          "diffHeader": {
              "type": "array"
          },
          "diffBody": {
              "type": "array"
          }
      }
  }