Examine source code of Quicklink

{
  "manifest_version": 2,
  "name": "Quicklink",
  "version": "0.1.3",
  "description": "Speed up navigations by prefetching links with Google Chrome Labs' Quicklink script.",
  "homepage_url": "https://github.com/spikespaz/firefox-quicklink",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "64": "icons/64.png",
    "128": "icons/128.png",
    "256": "icons/256.png",
    "512": "icons/512.png"
  },
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_idle",
      "js": [
        "quicklink.umd.js",
        "init.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "web_accessible_resources": [
    "data/conifg.json"
  ]
}