Examine source code of LinkedIn - Hide Feed

{
  "manifest_version": 3,
  "name": "LinkedIn - Hide Feed",
  "version": "1.0",
  "description": "Masque automatiquement le flux LinkedIn.",
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": [
        "https://www.linkedin.com/feed*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "linkedin@mallaury.be",
      "strict_min_version": "58.0"
    }
  }
}