Examine source code of Copyify

{
  "manifest_version": 3,
  "name": "Copyify",
  "version": "2.0",
  "description": "Easily copy and paste the song title, album, or artist directly from the Spotify track webpage with one-click copy buttons",
  "icons": {
    "128": "icon.2c1f0430.png"
  },
  "background": {
    "scripts": [
      "background.743e1263.js"
    ]
  },
  "host_permissions": [
    "http://open.spotify.com/track/*",
    "https://open.spotify.com/track/*"
  ],
  "permissions": [
    "scripting",
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e3dbc4ac-7eaf-4c5d-afc3-3f01fbf2d584}"
    }
  }
}