Examine source code of EpicNoteWE.Venice

{
  "manifest_version": 2,
  "name": "EpicNoteWE.Venice",
  "version": "1.1resigned1",
  "description": "Bouton de connexion au jeu Epic-War.net ~ Venice",
  "icons": {
    "48": "skins/default/epicnote.png"
  },
  "permissions": [
    "storage",
    "<all_urls>",
    "*://*/*"
  ],
  "browser_action": {
    "default_icon": "skins/default/venice-button.png",
    "default_title": "EpicNote",
    "default_popup": "popup/epicnoteEWpp.html"
  },
  "options_ui": {
    "page": "pref/pref.html"
  },
  "background": {
    "scripts": [
      "scripts/config.js",
      "scripts/epicnoteWE.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ce594dc3-2172-45fb-9e49-9d0c37405d65}"
    }
  }
}