CF GetRating

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "CF GetRating",
  "description": "Get rating for Codeforces problems even with problem tags off.",
  "version": "1.0.4",
  "manifest_version": 3,
  "icons": {
    "16": "images/icon_16.png",
    "32": "images/icon_32.png",
    "48": "images/icon_48.png",
    "128": "images/icon_128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": "images/icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://codeforces.com/problemset/problem/*/*",
        "*://codeforces.com/contest/*/problem/*"
      ],
      "js": [
        "background.js"
      ],
      "css": [
        "background.css"
      ]
    }
  ]
}