Auto open in the Spotify app

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Auto open in the Spotify app",
  "author": "Ben Cheshire",
  "short_name": "AoS",
  "version": "1.2.1",
  "manifest_version": 2,
  "description": "Automatically sends all Spotify URLs to the dedicated Spotify app",
  "browser_action": {
    "default_icon": {
      "19": "img/icon19.png",
      "38": "img/icon38.png"
    }
  },
  "icons": {
    "16": "img/icon16.png",
    "19": "img/icon19.png",
    "38": "img/icon38.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png",
    "256": "img/icon256.png"
  },
  "permissions": [
    "storage"
  ],
  "background": {
    "persistent": false,
    "scripts": [
      "1.js"
    ]
  },
  "options_page": "bFramework/options.html",
  "content_scripts": [
    {
      "matches": [
        "*://open.spotify.com/*",
        "*://play.spotify.com/*"
      ],
      "js": [
        "2.js"
      ],
      "run_at": "document_start"
    }
  ],
  "version_name": "1.2.1",
  "minimum_chrome_version": "80"
}