Examine source code of Minecubed Addon

{
  "name": "Minecubed Addon",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "icon_128.png"
    },
    "colors": {
      "frame": "rgba(77, 158, 83, 1)",
      "tab_background_text": "rgba(62, 133, 48, 1)"
    }
  }
}