Examine source code of Instagram Feed Cleaner

{
  "manifest_version": 3,
  "name": "Instagram Feed Cleaner",
  "version": "1.0",
  "description": "Hide suggested Instagram posts after 'You're all caught up'",
  "content_scripts": [
    {
      "matches": [
        "*://www.instagram.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "permissions": [],
  "icons": {
    "16": "icons/icon128.png",
    "48": "icons/icon128.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "insta@feed.cleaner",
      "strict_min_version": "58.0"
    }
  }
}