Examine source code of Better SoundCloud Feed

{
  "manifest_version": 3,
  "name": "Better SoundCloud Feed",
  "version": "1.0.5",
  "description": "Filter your SoundCloud feed by duration, artist, title and more.",
  "content_scripts": [
    {
      "matches": [
        "https://soundcloud.com/*"
      ],
      "js": [
        "content-script.js"
      ],
      "css": [
        "filter-ui.css"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "injected.js"
      ],
      "matches": [
        "https://soundcloud.com/*"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{18d69cbc-10a7-47e3-bac2-0d7e4318719a}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  }
}