Examine source code of M3U8 Finder

{
  "manifest_version": 2,
  "name": "M3U8 Finder",
  "version": "1.0",
  "description": "Find and copy playlist.m3u8 and index.m3u8 links from the Network tab.",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>",
    "activeTab",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon.png"
    }
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d2e0549c-7312-42c6-b7df-c873b024d0cf}"
    }
  }
}