Examine source code of Dlive Xtra Stickers

{
  "manifest_version": 2,
  "name": "Dlive Xtra Stickers",
  "version": "0.9",
  "author": "LKD70",
  "description": "Adds extra sticker slots to Dlive",
  "icons": {
    "48": "icons/dlive-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.dlive.tv/*"
      ],
      "js": [
        "bot.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/dlive-48.png",
    "default_title": "Dlive Xtra Stickers"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "webRequest",
    "https://graphigo.prd.dlive.tv/",
    "*://graphigo.prd.dlive.tv/*"
  ]
}