Examine source code of Website Table Exporter

{
  "manifest_version": 3,
  "name": "Website Table Exporter",
  "version": "1.5.4",
  "description": "Export website's tables to CSV, JSON and Markdown.",
  "permissions": [
    "activeTab",
    "clipboardWrite",
    "tabs"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Website Table Exporter"
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "author": "Lawrence Lagerlof",
  "browser_specific_settings": {
    "gecko": {
      "id": "websitetableexporter@lawrence.lagerlof"
    },
    "chrome": {
      "minimum_chrome_version": "88"
    }
  },
  "homepage_url": "https://github.com/llagerlof/websitetableexporter"
}