Examine source code of Criterion IMDb Overlay

{
  "manifest_version": 3,
  "name": "Criterion IMDb Overlay",
  "version": "0.1.6",
  "description": "Overlay IMDb ratings and film metadata on Criterion pages.",
  "homepage_url": "https://raylim.github.io/criterion-imdb/",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://www.criterion.com/*",
    "https://criterionchannel.com/*",
    "https://www.criterionchannel.com/*",
    "https://films.criterionchannel.com/*",
    "https://raylim.github.io/*",
    "https://raw.githubusercontent.com/*",
    "https://www.omdbapi.com/*",
    "https://v2.sg.media-imdb.com/*",
    "https://v3-cinemeta.strem.io/*"
  ],
  "background": {
    "scripts": [
      "src/shared/matcher.js",
      "src/background.js"
    ]
  },
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.criterion.com/*",
        "https://criterionchannel.com/*",
        "https://www.criterionchannel.com/*",
        "https://films.criterionchannel.com/*"
      ],
      "js": [
        "src/content/dom-scraper.js",
        "src/content/criterion-overlay.js"
      ],
      "css": [
        "src/content/overlay.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "criterion-imdb-overlay@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}