Examine source code of NAMINT quicksearch

{
  "manifest_version": 2,
  "name": "NAMINT quicksearch",
  "version": "1.0",
  "description": "A simple OSINT tool for searching info based on selected text (select 2 or 3 words) i.e. name, optional nickname, and surname",
  "browser_specific_settings": {
    "gecko": {
      "id": "namint-quicksearch-addon@seint.pl",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "contextMenus",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icons/namint-16.png",
    "32": "icons/namint-32.png",
    "48": "icons/namint-48.png",
    "128": "icons/namint-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "32": "icons/namint-32.png"
    },
    "default_title": "NAMINT quicksearch",
    "default_popup": "popup.html"
  }
}