Examine source code of Coolify - LinkedIn & Twitter Collections

{
  "name": "Coolify - Save LinkedIn & Twitter Posts",
  "manifest_version": 2,
  "version": "1.3.2",
  "description": "Coolify lets you create collections for various use case and lets you save post directly from LinkedIn & Twitter to it.",
  "permissions": [
    "activeTab",
    "storage",
    "webRequest",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "service_worker.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.linkedin.com/*"
      ],
      "js": [
        "content.js"
      ]
    },
    {
      "matches": [
        "https://x.com/*"
      ],
      "js": [
        "content-x.js"
      ]
    }
  ],
  "browser_action": {
    "default_title": "Action Button",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "coolify@coolify.top",
      "strict_min_version": "91.0"
    }
  }
}