manifest.json

{
  "manifest_version": 3,
  "name": "Video Seeking Everywhere",
  "version": "1.0.1",
  "description": "Allows you to seek through any playing video on most websites using the < or > keys.",
  "icons": {
    "48": "icons/128.png"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "browser-polyfill.min.js",
        "contentscript.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "video-seeking-everywhere.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@video-seeking-everywhere",
      "strict_min_version": "109.0"
    }
  }
}