Examine source code of Enhancer

{
  "manifest_version": 3,
  "name": "Enhancer",
  "description": "Enhancer is open-sourced and free extension, which adds what is missing on streaming platforms.",
  "version": "5.1.38",
  "action": {
    "default_icon": "assets/enhancer/logo-128.png"
  },
  "icons": {
    "128": "assets/enhancer/logo-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitch.tv/*",
        "*://*.kick.com/*"
      ],
      "js": [
        "inject.js",
        "worker.bridge.js"
      ],
      "all_frames": true,
      "run_at": "document_end"
    }
  ],
  "background": {
    "scripts": [
      "worker.background.js"
    ],
    "service_worker": "worker.background.js",
    "type": "module"
  },
  "web_accessible_resources": [
    {
      "matches": [
        "*://*.twitch.tv/*",
        "*://*.kick.com/*"
      ],
      "resources": [
        "index.js",
        "index.js.map",
        "inject.js.map",
        "twitch.constants.js",
        "kick.constants.js",
        "assets/enhancer/*.svg",
        "assets/enhancer/*.png",
        "assets/brands/*.svg",
        "assets/brands/*.png",
        "assets/settings/*.svg",
        "assets/settings/*.png",
        "assets/modules/*.png",
        "assets/modules/*.svg",
        "assets/modules/*.ogg"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{09b8dba2-ae33-4bea-8bf1-d85e50691408}"
    }
  }
}