Examine source code of App for IW

{
  "version": "0.1.3",
  "name": "App for IW",
  "manifest_version": 2,
  "short_name": "app-for-iw",
  "permissions": [
    "storage"
  ],
  "background": {
    "page": "lib/chrome/background.html"
  },
  "description": "An easy-to-use extension for Instagram web!",
  "homepage_url": "https://mybrowseraddon.com/instagram-app.html",
  "options_ui": {
    "open_in_tab": true,
    "chrome_style": true,
    "page": "data/options/options.html"
  },
  "browser_action": {
    "default_title": "App for Instagram",
    "default_icon": {
      "16": "data/icons/16.png",
      "32": "data/icons/32.png",
      "48": "data/icons/48.png",
      "64": "data/icons/64.png"
    }
  },
  "icons": {
    "16": "data/icons/16.png",
    "32": "data/icons/32.png",
    "48": "data/icons/48.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png"
  }
}