Examine source code of Letterboxd Ratings Toggle

{
  "name": "Letterboxd Ratings Toggle",
  "version": "2.1",
  "manifest_version": 2,
  "description": "Removes ratings and reviews from Letterboxd, to help avoid spoilers and expectations.",
  "permissions": [
    "activeTab"
  ],
  "page_action": {
    "default_icon": {
      "128": "icons/get_started128.png"
    }
  },
  "icons": {
    "128": "icons/get_started128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://letterboxd.com/film*"
      ],
      "js": [
        "letterbox.js"
      ],
      "css": [
        "style.css"
      ]
    },
    {
      "matches": [
        "https://www.imdb.com/title/*"
      ],
      "js": [
        "imdb.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ]
}