Examine source code of CryptoTracker

{
  "name": "CryptoTracker",
  "description": "Track the prices of 9k+ cryptocurrencies and tokens!",
  "version": "1.1.0",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage",
    "alarms"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "/images/crypto_32.png",
    "browser_style": true
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "icons": {
    "16": "/images/crypto_16.png",
    "32": "/images/crypto_32.png",
    "48": "/images/crypto_48.png",
    "128": "/images/crypto_128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "caochris23@gmail.com",
      "strict_min_version": "70.0"
    }
  }
}