Examine source code of Inquisitiv

{
  "manifest_version": 2,
  "name": "Inquisitiv",
  "version": "0.4.4",
  "author": "Inquisitiv Devs",
  "description": "A full-featured productivity app with note-taking, todo, and timer features.",
  "icons": {
    "48": "icon.ico"
  },
  "background": {
    "scripts": [
      "timer.js",
      "tablock.js"
    ]
  },
  "permissions": [
    "activeTab",
    "storage",
    "unlimitedStorage",
    "background",
    "notifications",
    "tabs",
    "<all_urls>"
  ],
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Inquisitiv",
    "default_popup": "index.html"
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  }
}