Examine source code of Google map lead scraper

{
  "name": "Google Map lead scraper",
  "description": "Scrape Google Map and download Leads information in JSON, Excel or CSV format with ease.",
  "version": "1.3.0",
  "manifest_version": 2,
  "browser_action": {
    "default_popup": "./views/index.html",
    "default_title": "Google Map lead scraper",
    "default_icon": {
      "16": "./assets/logo.png",
      "32": "./assets/logo.png",
      "64": "./assets/logo.png",
      "128": "./assets/logo.png"
    }
  },
  "icons": {
    "16": "./assets/logo.png",
    "32": "./assets/logo.png",
    "64": "./assets/logo.png",
    "128": "./assets/logo.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "webRequest",
    "*://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{cd76f058-7ba4-40d1-986f-482c6b44b9c1}"
    }
  }
}