Examine source code of Text-zu-Handlettering

{
  "manifest_version": 2,
  "name": "Text-zu-Handlettering",
  "description": "Selektierten Text direkt in einem neuen Tab im Handlettering-Generator öffnen. Ohne Intro-Popup.",
  "version": "1.1resigned1",
  "icons": {
    "16": "images/icon_16.png",
    "32": "images/icon_32.png",
    "48": "images/icon_48.png",
    "128": "images/icon_128.png"
  },
  "browser_action": {},
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{61a7d954-2daa-4c4c-8b2b-da71338aae02}"
    }
  }
}