Open Email Client

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "version": "0.6.4",
  "name": "Open Email Client",
  "description": "A powerful IMAP and POP3 email client based on notmuch indexing engine",
  "permissions": [
    "nativeMessaging",
    "downloads",
    "storage",
    "contextMenus",
    "notifications",
    "alarms",
    "offscreen",
    "idle"
  ],
  "offline_enabled": true,
  "action": {
    "default_icon": {
      "16": "/data/icons/gray/16.png",
      "32": "/data/icons/gray/32.png",
      "48": "/data/icons/gray/48.png"
    }
  },
  "icons": {
    "16": "/data/icons/gray/16.png",
    "32": "/data/icons/gray/32.png",
    "48": "/data/icons/gray/48.png",
    "64": "/data/icons/gray/64.png",
    "128": "/data/icons/gray/128.png"
  },
  "background": {
    "service_worker": "worker.js"
  },
  "options_ui": {
    "page": "/data/options/index.html",
    "open_in_tab": true
  },
  "homepage_url": "https://add0n.com/notmuch-email-client.html"
}