Examine source code of LeetPush

{
  "manifest_version": 3,
  "name": "LeetPush",
  "version": "1.0.2",
  "description": "Push LeetCode solutions to GitHub",
  "action": {
    "default_popup": "index.html"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://leetcode.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://leetcode.com/problems/*"
      ],
      "js": [
        "assets/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "leetpush@tenminusthreeseven.com",
      "strict_min_version": "109.0"
    }
  }
}