Examine source code of Schillig

{
  "manifest_version": 2,
  "name": "Schillig",
  "version": "1.6.4",
  "description": "Wandelt den Euro in den österreichischen Schilling um!",
  "icons": {
    "48": "img/icons/schillig-48x48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "init.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "eur.js",
        "special/woocommerce/base.js",
        "chf.js"
      ]
    },
    {
      "matches": [
        "*://*.amazon.com/*",
        "*://*.amazon.de/*"
      ],
      "js": [
        "special/amazon/base.js"
      ]
    },
    {
      "matches": [
        "*://*.amazon.de/",
        "*://*.amazon.com/"
      ],
      "js": [
        "special/amazon/home.js"
      ]
    },
    {
      "matches": [
        "*://*.aliexpress.com/*"
      ],
      "js": [
        "special/aliexpress/base.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{41a505a1-9386-4d2f-ae4d-7a9b6b739c32}"
    }
  }
}