Examine source code of LinkedIn Applications Tracker

{
  "manifest_version": 3,
  "name": "LinkedIn Applications Tracker",
  "version": "0.2",
  "description": "A lightweight Firefox extension that helps you track and manage your LinkedIn job applications. View your applications in an organized table with sortable dates, quick links to job posts, and easy deletion of entries.",
  "permissions": [
    "storage",
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "*://www.linkedin.com/jobs*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "64": "icons/logo.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.linkedin.com/*"
      ],
      "js": [
        "app.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "apptrack@example.com",
      "strict_min_version": "58.0"
    }
  }
}