Examine source code of LinkedIn Remove Feed

{
  "manifest_version": 2,
  "name": "LinkedIn Focus Remove Feed",
  "version": "1.0",
  "description": "Hide LinkedIn feed and stay focused on what matters",
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.linkedin.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "linkedin-focus-remove-feed@saritas.dev",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "telemetry": false,
        "opt_in_studies": false,
        "required": [
          "none"
        ]
      }
    }
  }
}