Examine source code of ceph github helper

{
  "name": "__MSG_appName__",
  "description": "__MSG_appDescription__",
  "version": "1.4.0",
  "applications": {
    "gecko": {
      "id": "cgh@tmelo.suse.com",
      "strict_min_version": "57.0"
    }
  },
  "short_name": "__MSG_appShortName__",
  "manifest_version": 2,
  "default_locale": "en",
  "icons": {
    "16": "images/ceph-16.png",
    "128": "images/ceph-128.png"
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "options_ui": {
    "page": "pages/options.html",
    "browser_style": true,
    "chrome_style": true
  },
  "content_scripts": [
    {
      "matches": [
        "https://github.com/ceph/ceph/pull/**",
        "https://github.com/tspmelo/ceph_test/pull/**"
      ],
      "js": [
        "scripts/contentscript.js"
      ],
      "css": [
        "styles/contentscript.css"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    "pages/content.html",
    "styles/contentscript.css",
    "images/ceph-40.png",
    "images/jenkins-40.png"
  ],
  "permissions": [
    "storage",
    "https://raw.githubusercontent.com/ceph/ceph/master/*",
    "https://github.com/ceph/ceph/pull/*",
    "https://github.com/tspmelo/ceph_test/pull/*",
    "webRequest"
  ]
}