Examine source code of VietPhrase - Quick Translator

{
  "manifest_version": 3,
  "name": "VietPhrase - Chinese to Vietnamese Translator",
  "version": "1.6.0",
  "description": "Translate Chinese on any website to Vietnamese. Offline dictionary, text/file translator, right-click translate, Hán-Việt lookup.",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "unlimitedStorage",
    "contextMenus"
  ],
  "commands": {
    "toggle-translation": {
      "suggested_key": {
        "default": "Alt+Q"
      },
      "description": "Bật/tắt dịch trang"
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    },
    "default_title": "VietPhrase Translator"
  },
  "background": {
    "scripts": [
      "dict-storage.js",
      "dict-update.js",
      "service_worker.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "dict-trie.js",
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "dict-default.json",
        "trad-simp.txt",
        "QualityOverrides.txt"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "vietphrase-translator@vietphrase.app",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}