Examine source code of Automatic SSH Proxy

{
  "manifest_version": 2,
  "name": "Automatic SSH Proxy",
  "version": "0.5",
  "description": "This extension automatically proxies communication to the specified domain via SSH.",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "180": "icons/icon-180.png"
  },
  "background": {
    "page": "background/background.xhtml"
  },
  "content_scripts": [
    {
      "matches": [
        "https://ssh.mine02c4.nagoya/*"
      ],
      "js": [
        "content/communicate.js"
      ],
      "run_at": "document_start"
    }
  ],
  "page_action": {
    "browser_style": true,
    "default_icon": "icons/icon-96.png"
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": "icons/icon-96.png"
  },
  "options_ui": {
    "page": "options/options.xhtml",
    "browser_style": true,
    "open_in_tab": true
  },
  "permissions": [
    "alarms",
    "downloads",
    "storage",
    "unlimitedStorage",
    "nativeMessaging",
    "proxy",
    "notifications",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "automatic-ssh-proxy@addons.minestech.com",
      "strict_min_version": "91.1.0"
    }
  }
}