Examine source code of Ratearr - Your Movie TV Show Binge-Watch Companion

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "1.0.0",
  "icons": {
    "16": "icon/icon-16.png",
    "32": "icon/icon-32.png",
    "48": "icon/icon-48.png",
    "128": "icon/icon-128.png"
  },
  "default_locale": "en",
  "permissions": [
    "storage",
    "activeTab",
    "contextMenus",
    "https://api.themoviedb.org/*",
    "https://www.omdbapi.com/*",
    "https://www.allocine.fr/*",
    "https://apollo.senscritique.com/*",
    "https://letterboxd.com/*",
    "https://www.telerama.fr/*"
  ],
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+R",
        "mac": "Alt+R"
      },
      "description": "__MSG_commandOpenPopup__"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ratearr@davidaparicio.fr",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "options_ui": {
    "open_in_tab": false,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.imdb.com/title/*",
        "*://de.wikipedia.org/wiki/*",
        "*://en.wikipedia.org/wiki/*",
        "*://es.wikipedia.org/wiki/*",
        "*://fr.wikipedia.org/wiki/*",
        "*://it.wikipedia.org/wiki/*",
        "*://letterboxd.com/film/*",
        "*://www.allocine.fr/film/*",
        "*://www.allocine.fr/series/*",
        "*://www.disneyplus.com/movies/*",
        "*://www.disneyplus.com/series/*",
        "*://www.netflix.com/title/*",
        "*://www.primevideo.com/detail/*",
        "*://www.senscritique.com/film/*",
        "*://www.senscritique.com/serie/*",
        "*://www.themoviedb.org/movie/*",
        "*://www.themoviedb.org/tv/*"
      ],
      "js": [
        "content-scripts/detect.js"
      ]
    }
  ]
}