Return the bird

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Return the bird",
  "version": "1.1",
  "description": "I miss the bird; this extension replaces the current Twitter logo and favicon with the old versions.",
  "icons": {
    "48": "images/icon_48.png",
    "128": "images/icon_128.png"
  },
  "permissions": [
    "declarativeContent"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "images/*.png",
        "images/*.ico",
        "images/*.jpg"
      ],
      "matches": [
        "https://twitter.com/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "https://twitter.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ]
}