Examine source code of LeetReminders

{
  "manifest_version": 3,
  "name": "LeetReminders",
  "version": "1.0",
  "description": "Enhance your LeetCode practice by adding personalized hint-like reminders to problems.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://leetcode.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://leetcode.com/problems/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "leetreminders@gmail.com",
      "strict_min_version": "109.0"
    }
  }
}