Examine source code of Scroll to Top

{
  "version": "0.1.4",
  "manifest_version": 3,
  "name": "Scroll to Top",
  "permissions": [
    "storage"
  ],
  "homepage_url": "https://mybrowseraddon.com/scroll-to-top.html",
  "description": "Add a stylish scroll-to-top button for all websites.",
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "109.0",
      "id": "{bc578e65-f788-4bca-86e2-83887499b6e3}"
    }
  },
  "background": {
    "scripts": [
      "lib/config.js",
      "lib/chrome.js",
      "lib/runtime.js",
      "lib/common.js"
    ]
  },
  "action": {
    "default_title": "Scroll to Top",
    "default_icon": {
      "16": "data/icons/16.png",
      "32": "data/icons/32.png",
      "48": "data/icons/48.png",
      "64": "data/icons/64.png"
    }
  },
  "commands": {
    "toggle": {
      "description": "Scroll to Top",
      "suggested_key": {
        "mac": "Command+Shift+D",
        "default": "Ctrl+Shift+D"
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start",
      "js": [
        "data/content_script/inject.js"
      ],
      "css": [
        "data/content_script/inject.css"
      ]
    }
  ],
  "icons": {
    "16": "data/icons/16.png",
    "32": "data/icons/32.png",
    "48": "data/icons/48.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png"
  }
}