Top and Bottom scroll buttons

manifest.json

{
  "manifest_version": 2,
  "name": "Top and Bottom scroll buttons",
  "short_name": "Scroll buttons",
  "version": "1.8.0",
  "description": "Adds scroll to Top and Bottom buttons on all sites",
  "icons": {
    "48": "img/icon-48.png",
    "96": "img/icon-96.png",
    "128": "img/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "options/options-storage.js",
        "content/buttons.js"
      ],
      "css": [
        "content/buttons.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "img/arrow-up.svg",
    "img/arrow-dn.svg"
  ],
  "options_ui": {
    "page": "options/options.html"
  },
  "permissions": [
    "<all_urls>",
    "storage"
  ],
  "applications": {
    "gecko": {
      "id": "{d8c7bd7f-3e7d-456a-be71-29973917ec72}"
    }
  }
}