Markers for YouTube

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_name__",
  "version": "1.0.3",
  "manifest_version": 3,
  "description": "__MSG_description__",
  "default_locale": "en",
  "icons": {
    "32": "./icons/timeline-32.png",
    "64": "./icons/timeline-64.png",
    "128": "./icons/timeline-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "run_at": "document_idle",
      "all_frames": false,
      "js": [
        "youtube-content-script.js"
      ],
      "css": [
        "youtube.css"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://www.youtube.com/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "youtube.css",
        "icons/screenshot-white-32.png",
        "icons/prev-white-32.png",
        "icons/next-white-32.png",
        "icons/add-white-32.png",
        "icons/del-white-32.png",
        "icons/del-video.png",
        "icons/settings.png"
      ],
      "matches": [
        "https://www.youtube.com/*"
      ]
    }
  ],
  "commands": {
    "add-marker": {
      "suggested_key": {
        "default": "Alt+Shift+A"
      },
      "description": "__MSG_tooltip_add_marker__"
    },
    "remove-marker": {
      "suggested_key": {
        "default": "Alt+Shift+R"
      },
      "description": "__MSG_tooltip_remove_marker__"
    },
    "prev-marker": {
      "suggested_key": {
        "default": "Alt+Shift+Left"
      },
      "description": "__MSG_tooltip_prev__"
    },
    "next-marker": {
      "suggested_key": {
        "default": "Alt+Shift+Right"
      },
      "description": "__MSG_tooltip_next__"
    },
    "save-screenshot": {
      "description": "__MSG_tooltip_screenshot__"
    }
  },
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  }
}