Examine source code of Forward to PTT

{
  "manifest_version": 2,
  "applications": {
    "gecko": {
      "id": "walkingice@web_extension_forward_to_ptt"
    }
  },
  "name": "Forward to PTT",
  "version": "0.2resigned1",
  "description": "Forward to PTT website from other domains, such as disp.cc",
  "content_scripts": [
    {
      "matches": [
        "*://*.disp.cc/*"
      ],
      "js": [
        "js/main.js"
      ],
      "run_at": "document_start"
    }
  ],
  "options_ui": {
    "page": "options/options.html"
  },
  "permissions": [
    "tabs",
    "activeTab",
    "storage"
  ]
}