Examine source code of Kleinanzeigen-Enhanced

{
  "name": "Kleinanzeigen-Enhanced",
  "short_name": "KE",
  "version": "0.2.20",
  "author": "Kleinanzeigen-Enhanced",
  "manifest_version": 3,
  "description": "Anzeigen speichern und Inventar verwalten für Kleinanzeigen.de",
  "homepage_url": "https://www.kleinanzeigen-enhanced.de",
  "browser_specific_settings": {
    "gecko": {
      "id": "info@kleinanzeigen-enhanced.de",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "images/Logo16.png",
    "32": "images/Logo32.png",
    "48": "images/Logo48.png",
    "128": "images/Logo128.png"
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "alarms",
    "notifications",
    "scripting",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "*://*.kleinanzeigen.de/*",
    "*://*.ebay-kleinanzeigen.de/*",
    "*://*.ebayimg.com/*",
    "*://*.kleinanzeigen-enhanced.de/*",
    "*://gateway.kleinanzeigen.de/*"
  ],
  "optional_host_permissions": [
    "*://*.facebook.com/*",
    "*://*.vinted.de/*",
    "*://*.markt.de/*",
    "*://*.quoka.de/*",
    "*://*.willhaben.at/*",
    "*://*.marktplatz.willhaben.at/*",
    "*://*.flinkanzeigen.de/*",
    "*://api.ebay.com/*",
    "*://auth.ebay.com/*",
    "*://signin.ebay.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.kleinanzeigen.de/*"
      ],
      "js": [
        "js/components/browser-polyfill.js",
        "js/components/globals.js",
        "js/components/storage.js",
        "js/components/helper.js",
        "js/components/forage.js",
        "js/components/user.js",
        "js/components/signature.js",
        "js/components/template.js",
        "js/components/ad.js",
        "js/components/platform-publish-manager.js",
        "js/libs/pdfmake/pdfmake.js",
        "js/libs/pdfmake/vfs_fonts.js",
        "js/components/pdf-export.js",
        "js/sites/search-list-enhancer.js",
        "js/content-script.js"
      ],
      "css": [
        "css/content.css"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://*.kleinanzeigen.de/p-anzeige-aufgeben-schritt2.html*"
      ],
      "js": [
        "js/components/browser-polyfill.js",
        "js/sites/shipping-flag-injector.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://*.facebook.com/marketplace/*"
      ],
      "js": [
        "js/components/browser-polyfill.js",
        "js/sites/facebook-publisher.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*.vinted.de/*"
      ],
      "js": [
        "js/components/browser-polyfill.js",
        "js/sites/vinted-publisher.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*.markt.de/*"
      ],
      "js": [
        "js/components/browser-polyfill.js",
        "js/sites/markt-publisher.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*.quoka.de/*"
      ],
      "js": [
        "js/components/browser-polyfill.js",
        "js/sites/quoka-publisher.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*.willhaben.at/iad/anzeigenaufgabe/marktplatz*",
        "*://*.marktplatz.willhaben.at/anzeigenaufgabe*"
      ],
      "js": [
        "js/components/browser-polyfill.js",
        "js/sites/willhaben-publisher.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*.flinkanzeigen.de/*"
      ],
      "js": [
        "js/components/browser-polyfill.js",
        "js/sites/flinkanzeigen-publisher.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://ebay.kleinanzeigen-enhanced.de/auth/complete*"
      ],
      "js": [
        "js/components/browser-polyfill.js",
        "js/components/storage.js",
        "js/sites/ebay-auth-complete.js"
      ],
      "run_at": "document_end"
    }
  ],
  "action": {
    "default_icon": "images/Logo128.png",
    "default_title": "Kleinanzeigen-Enhanced"
  },
  "options_ui": {
    "page": "dashboard.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "js/components/globals.js",
      "js/components/forage.js",
      "js/components/helper.js",
      "js/components/storage.js",
      "js/background.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "images/*.png",
        "images/*.svg",
        "images/*.jpeg",
        "dashboard.html",
        "pdf-export.html"
      ],
      "matches": [
        "*://*.kleinanzeigen.de/*"
      ]
    }
  ]
}