Examine source code of Lowkeystalker

{
  "manifest_version": 3,
  "name": "lowkeystalker",
  "version": "1.0",
  "description": "Intercepts and displays Tinder profile details directly on the page.",
  "browser_specific_settings": {
    "gecko": {
      "id": "lowkeystalker@yourdomain.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "scripting",
    "downloads"
  ],
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg",
    "128": "icon.svg"
  },
  "action": {
    "default_icon": "icon.svg"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "host_permissions": [
    "*://*.tinder.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.tinder.com/*",
        "*://tinder.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "interceptor.js"
      ],
      "matches": [
        "*://*.tinder.com/*",
        "*://tinder.com/*"
      ]
    }
  ]
}