Examine source code of Feedbin Notifier

{
  "manifest_version": 2,
  "author": "Thunraz",
  "version": "1.0.1",
  "name": "Feedbin Notifier",
  "description": "Provides a basic notification service for the RSS aggregator Feedbin.",
  "icons": {
    "16": "images/feedbin-16.png",
    "32": "images/feedbin-32.png",
    "48": "images/feedbin-48.png",
    "128": "images/feedbin-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://feedbin.com/*",
        "https://www.feedbin.com/*"
      ],
      "js": [
        "js/browser-polyfill.min.js",
        "js/feedbin.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "js/browser-polyfill.min.js",
      "js/background.js"
    ]
  },
  "options_ui": {
    "page": "options.html"
  },
  "browser_action": {
    "default_icon": {
      "16": "images/feedbin-16.png",
      "32": "images/feedbin-32.png",
      "48": "images/feedbin-48.png",
      "128": "images/feedbin-128.png"
    }
  },
  "permissions": [
    "alarms",
    "https://*.feedbin.com/*"
  ],
  "web_accessible_resources": [
    "js/feedbin.js"
  ]
}