Examine source code of IpProtocols

{
  "manifest_version": 2,
  "default_locale": "en",
  "name": "__MSG_extensionName__",
  "version": "1.2.1resigned1",
  "version_name": "1.2.0",
  "author": "JC Prin",
  "description": "__MSG_extensionDescription__",
  "applications": {
    "gecko": {
      "id": "ipprotocols@jcp.convenant",
      "strict_min_version": "54.0"
    }
  },
  "background": {
    "scripts": [
      "js/jquery3.js",
      "js/Process.js",
      "js/Background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/jquery3.js",
        "js/ContentPage.js"
      ],
      "css": [
        "css/ipprotocols-default.css"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "images/*.png",
    "css/ipprotocols-default.css"
  ],
  "permissions": [
    "contextMenus",
    "tabs",
    "storage",
    "nativeMessaging"
  ],
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "18": "images/icon18.png",
      "32": "images/icon32.png",
      "48": "images/icon48.png",
      "64": "images/icon64.png",
      "128": "images/icon128.png"
    },
    "default_title": "IP Protocols"
  },
  "icons": {
    "18": "images/icon18.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "64": "images/icon64.png",
    "128": "images/icon128.png"
  },
  "protocol_handlers": [
    {
      "protocol": "ext+ipprotocols-vnc",
      "name": "IP Protocols VNC",
      "uriTemplate": "%s"
    },
    {
      "protocol": "ext+ipprotocols-rdp",
      "name": "IP Protocols RDP",
      "uriTemplate": "%s"
    },
    {
      "protocol": "ext+ipprotocols-ssh",
      "name": "IP Protocols SSH",
      "uriTemplate": "%s"
    },
    {
      "protocol": "ext+ipprotocols-telnet",
      "name": "IP Protocols Telnet",
      "uriTemplate": "%s"
    },
    {
      "protocol": "ext+ipprotocols-ping",
      "name": "IP Protocols Ping",
      "uriTemplate": "%s"
    },
    {
      "protocol": "ext+ipprotocols-nmap",
      "name": "IP Protocols Nmap",
      "uriTemplate": "%s"
    },
    {
      "protocol": "ext+ipprotocols-custom1",
      "name": "IP Protocols Custom 1",
      "uriTemplate": "%s"
    },
    {
      "protocol": "ext+ipprotocols-custom2",
      "name": "IP Protocols Custom 2",
      "uriTemplate": "%s"
    }
  ],
  "options_ui": {
    "page": "options/options.html"
  }
}