Examine source code of Right Click Link New Tab

{
  "applications": {
    "gecko": {
      "id": "rightclicknewtab@bgdam.com",
      "strict_min_version": "42.0"
    }
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "ftp://*/*"
      ],
      "js": [
        "js/content_script.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "manifest_version": 2,
  "name": "Right Click Opens Link New Tab Correct Order",
  "version": "0.0.9resigned1",
  "description": "Same as 'Right Click Opens Link in New Tab', but now when opening multiple tabs, the tabs are inserted in the correct order.",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "author": "Balaganesh Damodaran <asleepysamurai@gmail.com>",
  "minimum_chrome_version": "20",
  "offline_enabled": true,
  "permissions": [
    "tabs",
    "storage",
    "cookies"
  ],
  "short_name": "Tab Opener",
  "options_page": "config/settings.html",
  "options_ui": {
    "page": "config/settings.html",
    "chrome_style": true
  }
}