Examine source code of Manga AMTL

{
  "manifest_version": 3,
  "name": "Manga Translator API",
  "version": "1.1",
  "description": "Translates manga images on web pages using a custom FastAPI backend.",
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Manga Translator Settings"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "Evanzmanga@gmail.com",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ],
        "optional": []
      }
    }
  }
}