Examine source code of Fendos LSS

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "browser_action": {
    "default_icon": "images/icon16.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "js/api_injector.js",
        "js/clickable.js"
      ],
      "matches": [
        "https://www.leitstellenspiel.de/*"
      ],
      "run_at": "document_idle"
    },
    {
      "all_frames": true,
      "js": [
        "modules/jquery-3.3.1.min.js",
        "js/content_scripts.js"
      ],
      "matches": [
        "https://www.leitstellenspiel.de/*"
      ],
      "exclude_matches": [
        "https://www.leitstellenspiel.de/profile/*",
        "https://www.leitstellenspiel.de/missions/*",
        "https://www.leitstellenspiel.de/vehicles/*",
        "https://www.leitstellenspiel.de/?mapview=true"
      ],
      "run_at": "document_idle"
    },
    {
      "all_frames": true,
      "js": [
        "modules/jquery-3.3.1.min.js",
        "js/map_scripts.js"
      ],
      "matches": [
        "https://www.leitstellenspiel.de/?mapview=true"
      ],
      "run_at": "document_idle"
    },
    {
      "all_frames": true,
      "js": [
        "modules/jquery-3.3.1.min.js",
        "js/missions_scripts.js",
        "js/missionhelper_scripts.js"
      ],
      "matches": [
        "https://www.leitstellenspiel.de/missions/*"
      ],
      "run_at": "document_idle"
    },
    {
      "all_frames": true,
      "js": [
        "js/vehicle_scripts.js"
      ],
      "matches": [
        "https://www.leitstellenspiel.de/vehicles/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "description": "Verbessert das Browser-Game Leitstellenspiel.de",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "manifest_version": 2,
  "name": "Fendos LSS Scripte",
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "https://www.leitstellenspiel.de/*"
  ],
  "version": "1.1.68",
  "web_accessible_resources": [
    "css/noMapDesign.css",
    "css/main.css",
    "css/MapDesign.css",
    "images/progress.gif",
    "css/progressBar.css",
    "css/chat.css",
    "js/missions.json",
    "modules/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0d0e5dbe-088e-46d6-8748-6ca7f4e151b4}"
    }
  }
}