Examine source code of VidBoost Video Toolkit

{
  "manifest_version": 3,
  "name": "VidBoost",
  "version": "1.8.1",
  "description": "Unlock the full potential of web videos with VidBoost.",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "https://dns.google/*",
    "https://cloudflare-dns.com/*",
    "https://dns.quad9.net/*",
    "https://ipapi.co/*",
    "https://ipwho.is/*",
    "https://ipwhois.app/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "VidBoost"
  },
  "background": {
    "scripts": [
      "assets/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "assets/content-firefox.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://*.bilibili.com/*"
      ],
      "js": [
        "assets/bb-cdn.page.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "*://*.douyin.com/*"
      ],
      "js": [
        "assets/douyin-playback-rate.page.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "http://127.0.0.1/*",
        "http://localhost/*",
        "*://youtu.be/*",
        "*://youtube.com/*",
        "*://*.youtube.com/*"
      ],
      "js": [
        "assets/yt-member-prefilter.page.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "http://127.0.0.1/*",
        "http://localhost/*",
        "*://youtu.be/*",
        "*://youtube.com/*",
        "*://*.youtube.com/*"
      ],
      "js": [
        "assets/yt-original-audio.page.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "http://127.0.0.1/*",
        "http://localhost/*",
        "*://youtu.be/*",
        "*://youtube.com/*",
        "*://*.youtube.com/*"
      ],
      "js": [
        "assets/yt-subtitle-overlay.page.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "http://127.0.0.1/*",
        "http://localhost/*",
        "*://youtu.be/*",
        "*://youtube.com/*",
        "*://*.youtube.com/*"
      ],
      "js": [
        "assets/yt-cdn-status.page.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "assets/yt-member-prefilter.page.js",
        "assets/yt-original-audio.page.js",
        "assets/yt-subtitle-overlay.page.js",
        "assets/yt-cdn-status.page.js"
      ],
      "matches": [
        "http://127.0.0.1/*",
        "http://localhost/*",
        "*://youtu.be/*",
        "*://youtube.com/*",
        "*://*.youtube.com/*"
      ]
    },
    {
      "resources": [
        "assets/firefox-*.js"
      ],
      "matches": [
        "*://*/*",
        "http://127.0.0.1/*",
        "http://localhost/*"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "vidboost@tunecc.dev",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ],
        "optional": []
      }
    }
  }
}