Examine source code of LinkedIn - FocusFeed

{
  "manifest_version": 3,
  "name": "LinkedIn - FocusFeed",
  "version": "1.1",
  "description": "Extracteur de posts sauvegardés LinkedIn",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "icons": {
    "16": "image/logo.png",
    "48": "image/logo.png",
    "128": "image/logo.png"
  },
  "action": {
    "default_popup": "./auth/auth.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.linkedin.com/my-items/saved-posts/",
        "https://www.linkedin.com/my-items/saved-posts/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "author": "Cyber Focus",
  "homepage_url": "https://github.com/focus-on1",
  "browser_specific_settings": {
    "gecko": {
      "id": "yassinrabhi92@gmail.com",
      "strict_min_version": "102.0"
    }
  }
}