Examine source code of Click-to-Console-FF

{
  "applications": {
    "gecko": {
      "id": "click-to-console-firefox@mulesoft.com"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "description": "Extension to open Salesforce links in Salesforce Console tabs. Ported from the original Chrome version: https://chrome.google.com/webstore/detail/click-to-console/aciejfpenmfodekmppiehcbcgkjigjhl?hl=en because the Firefox version (https://addons.mozilla.org/en-US/firefox/addon/click_to_console/) doesn't work with Firefox 57+.",
  "icons": {
    "128": "click-to-console-logo.png"
  },
  "manifest_version": 2,
  "name": "Click-to-Console",
  "options_ui": {
    "chrome_style": true,
    "page": "options.html"
  },
  "permissions": [
    "tabs",
    "http://*/",
    "https://*/",
    "webRequest",
    "webNavigation",
    "cookies",
    "storage"
  ],
  "version": "0.9.3resigned1"
}