Examine source code of Rezepthos

{
  "name": "__MSG_appName__",
  "short_name": "Rezepthos",
  "version": "0.0.7resigned1",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "page_action": {
    "default_icon": "icon-19.png",
    "default_title": "Rezepthos importer"
  },
  "content_scripts": [
    {
      "matches": [
        "*://rezepthos.com/*"
      ],
      "js": [
        "token.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "tabs",
    "http://*/*",
    "https://*/*",
    "storage",
    "contextMenus",
    "notifications"
  ],
  "icons": {
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{36278273-278d-4696-bdb1-231e8a4f4f46}"
    }
  }
}