Examine source code of Twitch Statistics Remover

{
  "manifest_version": 3,
  "name": "Twitch Statistics Remover",
  "description": "Removes statistics and other annoying UI elements from Twitch.",
  "version": "2.0.1",
  "content_scripts": [
    {
      "js": [
        "remover.js"
      ],
      "matches": [
        "https://www.twitch.tv/*"
      ]
    }
  ],
  "icons": {
    "16": "icons/16x.png",
    "32": "icons/32x.png",
    "48": "icons/48x.png",
    "128": "icons/128x.png"
  },
  "default_locale": "en_US",
  "action": {
    "default_popup": "options.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "twitch-stats-remover@guhcat.com"
    }
  }
}