You Like That Don't You?

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "You Like That Don't You?",
  "version": "0.1.2",
  "manifest_version": 2,
  "description": "Automatically play a funny sound clip in the background when you \"like\" something on your favorite social media sites.",
  "homepage_url": "https://github.com/pbojinov/you-like-that",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "permissions": [
    "tabs",
    "webNavigation",
    "https://a.clyp.it/4wdkdhn5.mp3"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.instagram.com/*",
        "*://*.facebook.com/*",
        "*://*.twitter.com/*",
        "*://*.vine.co/*"
      ],
      "js": [
        "js/jquery/jquery.min.js",
        "src/inject.js"
      ]
    }
  ]
}