Examine source code of dlive-chest-bot

{
  "manifest_version": 2,
  "name": "dlive-chest-bot",
  "version": "0.1",
  "author": "spacefrog",
  "description": "Dlive Bot, it clicks the chest when it opens",
  "icons": {
    "48": "icons/dlive-chest-bot.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.dlive.tv/*"
      ],
      "js": [
        "autochest.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/dlive-chest-bot.png",
    "default_title": "dlive-chest-bot"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "webRequest"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4a489f3a-59a4-4ee0-a717-98606cdab2ff}"
    }
  }
}