QuickPad: fast Markdown notepad

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "QuickPad: fast Markdown notepad",
  "description": "An in-browser Markdown notepad. Optimize for writing experience. Free, plus your data doesn't leave you computer",
  "version": "1.0",
  "manifest_version": 3,
  "permissions": [
    "activeTab",
    "storage",
    "unlimitedStorage"
  ],
  "action": {
    "default_icon": {
      "16": "images/icon-16.png",
      "48": "images/icon-48.png",
      "128": "images/icon-128.png"
    },
    "default_title": "QuickPad: make notes on any page"
  },
  "icons": {
    "16": "images/icon-16.png",
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "quicknote_styles.css"
      ],
      "js": [
        "open_sidebar.js"
      ]
    }
  ],
  "background": {
    "service_worker": "command_center.js"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "index.html",
        "/assets/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}