Examine source code of Marah Supporter

{
  "name": "Marah Supporter",
  "description": "Diverse Arten der Unterstützung für die Twitch-Streamerin Marah.",
  "manifest_version": 2,
  "version": "1.0.4",
  "homepage_url": "https://rocketbeans.tv/bohnen/60/Marah",
  "browser_specific_settings": {
    "gecko": {
      "id": "marah-supporter-webext@schloebe.de",
      "strict_min_version": "109.0"
    }
  },
  "background": {
    "scripts": [
      "scripts/lib/browser-polyfill.min.js",
      "scripts/lib/purify.min.js",
      "scripts/background.js"
    ]
  },
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "72": "icons/72.png",
    "96": "icons/96.png",
    "128": "icons/128.png",
    "256": "icons/256.png"
  },
  "browser_action": {
    "default_icon": "icons/72d.png",
    "default_title": "Marah Supporter",
    "default_popup": "popup/overview.html"
  },
  "permissions": [
    "tabs",
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "*://*.amazon.de/*",
    "*://*.humblebundle.com/*"
  ]
}