Reddit upvote ratio

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Reddit upvote ratio",
  "version": "0.0.2",
  "description": "description",
  "permissions": [],
  "content_scripts": [
    {
      "matches": [
        "*://www.reddit.com/*"
      ],
      "js": [
        "js/arrive.min.js",
        "js/content-script.js"
      ],
      "css": []
    }
  ],
  "action": {
    "default_icon": {
      "16": "images/icons/icon_16.png",
      "48": "images/icons/icon_48.png",
      "128": "images/icons/icon_128.png"
    }
  },
  "icons": {
    "16": "images/icons/icon_16.png",
    "48": "images/icons/icon_48.png",
    "128": "images/icons/icon_128.png"
  },
  "manifest_version": 3
}