Examine source code of PoE2 Custom Dict Replacer

{
  "manifest_version": 3,
  "name": "PoE2 Custom Dict Replacer",
  "version": "1.1.0",
  "description": "Converts proper nouns on web pages for Path of Exile 2 into Japanese using a dictionary.",
  "permissions": [
    "storage",
    "contextMenus",
    "activeTab"
  ],
  "icons": {
    "128": "icon128.png"
  },
  "action": {
    "default_icon": "icon128.png"
  },
  "options_page": "options.html",
  "background": {
    "scripts": [
      "background.js"
    ],
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "poe2-custom-dict-replacer@rehideaway.local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}