Examine source code of Flash Clip

{
  "manifest_version": 2,
  "name": "Flash Clip",
  "version": "1.1resigned1",
  "description": "Gestisci appunti sui tuoi siti preferiti in un'unica app, ovunque.",
  "icons": {
    "32": "icons/logo.svg"
  },
  "applications": {
    "gecko": {
      "id": "flash-clip_addon@example.com"
    }
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_icon": "icons/logo.svg",
    "default_title": "Flash Clip",
    "default_popup": "index.html"
  }
}