Upvote First for StackOverflow

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "author": "Jossef Harush",
  "manifest_version": 3,
  "name": "Upvote First for StackOverflow",
  "short_name": "Upvote First",
  "description": "Places your upvoted answers first. Useful when re-visiting questions. Works on all StackExchange sites.",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.mathoverflow.net/*",
        "http://*.mathoverflow.net/*",
        "https://*.superuser.com/*",
        "http://*.superuser.com/*",
        "https://*.stackoverflow.com/*",
        "http://*.stackoverflow.com/*",
        "https://*.serverfault.com/*",
        "http://*.serverfault.com/*",
        "https://*.stackapps.com/*",
        "http://*.stackapps.com/*",
        "https://*.stackexchange.com/*",
        "http://*.stackexchange.com/*",
        "https://*.stackoverflow.com/*",
        "http://*.stackoverflow.com/*",
        "https://*.askubuntu.com/*",
        "http://*.askubuntu.com/*"
      ],
      "js": [
        "js/jquery.min.js",
        "js/content-script.js"
      ]
    }
  ],
  "action": {
    "default_icon": "icons/icon-48.png",
    "default_popup": "views/browser-action.html",
    "default_title": "sort StackOverflow answers by your upvotes"
  },
  "permissions": [
    "background",
    "storage"
  ],
  "host_permissions": [
    "https://*.mathoverflow.net/*",
    "http://*.mathoverflow.net/*",
    "https://*.superuser.com/*",
    "http://*.superuser.com/*",
    "https://*.stackoverflow.com/*",
    "http://*.stackoverflow.com/*",
    "https://*.serverfault.com/*",
    "http://*.serverfault.com/*",
    "https://*.stackapps.com/*",
    "http://*.stackapps.com/*",
    "https://*.stackexchange.com/*",
    "http://*.stackexchange.com/*",
    "https://*.stackoverflow.com/*",
    "http://*.stackoverflow.com/*",
    "https://*.askubuntu.com/*",
    "http://*.askubuntu.com/*"
  ],
  "offline_enabled": true,
  "version": "1.1.0"
}