Examine source code of Streminion

{
  "manifest_version": 3,
  "name": "Streminion",
  "version": "1.2",
  "description": "Adds a button to IMDb pages to open movies and shows directly in Stremio.",
  "host_permissions": [
    "*://*.imdb.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.imdb.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "button.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "streminion@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}