Examine source code of Scootch Twitter

{
  "manifest_version": 3,
  "name": "Scootch Twitter",
  "version": "1.0.2",
  "description": "makes twitter less bloated",
  "browser_specific_settings": {
    "gecko": {
      "id": "scootch-twitter@example.com"
    }
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://x.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Scootch Twitter",
    "default_icon": "icon128.png"
  },
  "icons": {
    "48": "icon128.png",
    "128": "icon128.png"
  }
}