Permanent Progress Bar for YouTube

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Permanent Progress Bar for YouTube",
  "description": "__MSG_description__",
  "default_locale": "en",
  "version": "0.2.9",
  "manifest_version": 3,
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://www.youtube.com/*"
  ],
  "background": {
    "service_worker": "worker.js"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "data/inject/main.js"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "world": "MAIN"
    },
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "data/inject/isolated.js"
      ],
      "css": [
        "data/inject/isolated.css"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "world": "ISOLATED"
    }
  ],
  "homepage_url": "https://webextension.org/listing/youtube-tools.html?from=progress",
  "icons": {
    "16": "data/icons/16.png",
    "32": "data/icons/32.png",
    "48": "data/icons/48.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png",
    "256": "data/icons/256.png",
    "512": "data/icons/512.png"
  },
  "action": {},
  "options_ui": {
    "page": "data/options/index.html"
  },
  "commands": {
    "toggle_display": {
      "description": "Use this shortcut to show or hide the permanent progress bar"
    }
  }
}