Examine source code of Cambridge Dictionary Pop

{
  "manifest_version": 3,
  "name": "Cambridge Dictionary Pop",
  "description": "A browser extension that allows you to quickly look up word definitions from Cambridge Dictionary.",
  "browser_specific_settings": {
    "gecko": {
      "id": "cambridge-dictionary-pop@wanten.org",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_icon": {
      "32": "icon-32.png"
    }
  },
  "icons": {
    "128": "icon-128.png"
  },
  "permissions": [
    "storage",
    "contextMenus"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "host_permissions": [
    "https://dictionary.cambridge.org/*"
  ],
  "content_scripts": [
    {
      "js": [
        "assets/index.tsx-loader-Bmv8QFHT.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*",
        "<all_urls>"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "contentStyle.css",
        "icon-128.png",
        "icon-32.png"
      ]
    },
    {
      "matches": [
        "<all_urls>",
        "http://*/*",
        "https://*/*"
      ],
      "resources": [
        "assets/text-DwNa3uPT.js",
        "assets/index.tsx-Z-YNaeKo.js"
      ]
    }
  ],
  "version": "1.8.0",
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  }
}