Examine source code of CSV Reader

{
  "manifest_version": 2,
  "name": "CSV Reader",
  "version": "1.1.2",
  "description": "Transforms raw csv data into a simple html table, easily readable on the browser",
  "homepage_url": "https://github.com/rubenvar/csv-reader",
  "icons": {
    "32": "icons/csv-32.png",
    "48": "icons/csv-48.png",
    "96": "icons/csv-96.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "polyfills/browser-polyfill.min.js",
      "content_scripts/background.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "icons/csv-16.png",
      "32": "icons/csv-32.png",
      "64": "icons/csv-64.png"
    },
    "default_popup": "popup/popup.html",
    "default_title": "CSV Reader",
    "theme_icons": [
      {
        "dark": "icons/csv-16.png",
        "light": "icons/csv-light-16.png",
        "size": 16
      },
      {
        "dark": "icons/csv-32.png",
        "light": "icons/csv-light-32.png",
        "size": 32
      }
    ]
  },
  "author": "Rubén Vara",
  "browser_specific_settings": {
    "gecko": {
      "id": "hey@rubenvara.io"
    }
  }
}