Examine source code of Chest Clicker

{
  "manifest_version": 2,
  "version": "1.0.2",
  "name": "Chest Clicker",
  "description": "Click on twitch chests and streamlabs chests for you :D",
  "browser_action": {
    "default_icon": "icone.png"
  },
  "icons": {
    "96": "icone_96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitch.tv/*"
      ],
      "js": [
        "points.js"
      ]
    }
  ],
  "permissions": [
    "activeTab"
  ]
}