Examine source code of MorphAgent

{
  "manifest_version": 2,
  "name": "MorphAgent",
  "version": "3.2.0",
  "description": "Modern GitHub-inspired extension for user agent spoofing with 70+ device profiles and touch support.",
  "icons": {
    "16": "icons/icon.png",
    "48": "icons/icon.png",
    "128": "icons/icon.png"
  },
  "permissions": [
    "storage",
    "webRequest",
    "webRequestBlocking",
    "tabs",
    "windows",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "MorphAgent",
    "default_icon": {
      "16": "icons/icon.png",
      "48": "icons/icon.png",
      "128": "icons/icon.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "advanced-settings.html",
    "css/advanced-settings.css",
    "js/advanced-settings.js",
    "js/profiles.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "morph-agent@karthiklal.in",
      "strict_min_version": "68.0"
    },
    "gecko_android": {
      "strict_min_version": "113.0"
    }
  },
  "homepage_url": "https://github.com/karthik558/MorphAgent"
}