Examine source code of Game Changer Buttling Buddy

{
  "manifest_version": 3,
  "name": "Official Game Changer Buttling Buddy",
  "description": "Your very own Buttling Buddy, with you on dropout.tv!",
  "version": "1.0.9",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@dropout-buttling-buddy-official",
      "strict_min_version": "140.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://dropout.tv/videos/*",
        "https://dropout.tv/*/videos/*",
        "https://www.dropout.tv/videos/*",
        "https://www.dropout.tv/*/videos/*"
      ],
      "js": [
        "js/player.js",
        "js/content_script_dropout.js"
      ]
    },
    {
      "matches": [
        "https://minigames.dropout.tv/*"
      ],
      "js": [
        "js/content_script_minigames.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "*.webm",
        "*.png"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://dropout.tv/*",
    "https://www.dropout.tv/*",
    "https://minigames.dropout.tv/*"
  ]
}