Examine source code of Google Analytics Trends

{
  "name": "Google Analytics Trends",
  "version": "1.3.1",
  "manifest_version": 2,
  "developer": {
    "name": "Alex Chauvin",
    "url": "https://xincto.me/"
  },
  "icons": {
    "48": "icons/chart-line-solid-48.png"
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": "icons/chart-line-solid-32.png",
    "default_popup": "main.html",
    "default_title": "Google Analytics Trends",
    "theme_icons": [
      {
        "light": "icons/chart-line-solid-32-w.png",
        "dark": "icons/chart-line-solid-32.png",
        "size": 32
      },
      {
        "light": "icons/chart-line-solid-48-w.png",
        "dark": "icons/chart-line-solid-48.png",
        "size": 48
      }
    ]
  },
  "permissions": [
    "identity",
    "storage",
    "*://www.googleapis.com/*"
  ],
  "background": {
    "scripts": [
      "background/google_authorize.js",
      "background/google.js",
      "background/main.js",
      "background/icon.js"
    ]
  },
  "options_ui": {
    "page": "options/options.html",
    "browser_style": true
  },
  "applications": {
    "gecko": {
      "id": "analytics-trend-projects@xincto.me",
      "strict_min_version": "71.0"
    }
  },
  "description": "See your real time Google Analytics in the toolbar of your browser"
}