Examine source code of Instagram Messages Redirect

{
  "manifest_version": 2,
  "name": "Instagram Messages Redirect",
  "version": "1.1.1",
  "description": "Enhance your Instagram experience by minimizing distractions. This automatically redirects you to the Instagram Messenger page when you access Instagram, allowing you to quickly access your messages without navigating through other parts of the app. Additionally, you can hide the navigation bar to avoid accidental clicks and keep your focus on just messages",
  "permissions": [
    "storage",
    "webRequest",
    "webRequestBlocking",
    "https://www.instagram.com/*"
  ],
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.instagram.com/*"
      ],
      "js": [
        "content/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "assets/icons/icon-16.png",
      "48": "assets/icons/icon-48.png",
      "128": "assets/icons/icon-128.png"
    }
  },
  "applications": {
    "gecko": {
      "id": "inboxredirect@instagram",
      "strict_min_version": "58.0"
    }
  }
}