Examine source code of LOS-Webaddon

{
  "manifest_version": 2,
  "name": "LOS",
  "version": "0.2.4resigned1",
  "description": "Das -inDev- Webaddon der beliebten Community Legionofsensei",
  "homepage_url": "https://www.legionofsensei.de",
  "icons": {
    "32": "data/los-48.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "data/los-32.png",
    "default_title": "Legionofsensei",
    "default_popup": "lospopup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{467cc106-66b7-4bff-88bf-fa8fdb18c30b}"
    }
  }
}