Remember subtitle settings for YouTube™

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Remember subtitle settings for YouTube™",
  "description": "Set and forget. No need to re-select your subtitle language anymore.",
  "version": "1.0.7",
  "author": "Wessel Kroos",
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
  },
  "action": {
    "default_icon": "images/icon-19.png",
    "default_popup": "options.html"
  },
  "background": {
    "service_worker": "scripts/background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "scripts/scriptinjector.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "styles/options.css",
        "scripts/contentscript.js"
      ],
      "matches": [
        "https://www.youtube.com/*"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "permissions": [
    "storage"
  ]
}