Examine source code of Ksharing

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "version": "0.0.2",
  "description": "__MSG_appDesc__",
  "content_scripts": [
    {
      "matches": [
        "http://share-file-kwebs-f.epizy.com/"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "128": "Ksharing-128x128-round.png"
  },
  "default_locale": "en",
  "browser_action": {
    "default_popup": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ecffde2e-fb1c-473e-9973-88f4810ffe5f}"
    }
  }
}