Examine source code of Spotify URL Parser

{
  "manifest_version": 2,
  "name": "Spotify URL Parser",
  "version": "1.0",
  "description": "Converts Spotify URLs into URIs and opens them in the Spotify app.",
  "icons": {
    "48": "icons/sup48.png",
    "96": "icons/sup96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.spotify.com/*"
      ],
      "js": [
        "SpotifyURLParser.js"
      ]
    }
  ]
}