Examine source code of IIT 3DA CA WEB Client

{
  "default_locale": "en",
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "file://*/*"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    }
  ],
  "applications": {
    "gecko": {
      "id": "sign@iit.ua",
      "strict_min_version": "63.0"
    }
  },
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "manifest_version": 2,
  "version": "1.0.18",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "tabs",
    "nativeMessaging",
    "storage",
    "*://*/*"
  ],
  "icons": {
    "48": "icons/icon48.png"
  },
  "browser_action": {
    "default_icon": "icons/icon32.png",
    "default_title": "__MSG_extensionName__",
    "default_popup": "popup.html"
  }
}