Ready Mail New Tab

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Ready Mail New Tab",
  "version": "1.0.9",
  "manifest_version": 3,
  "description": "Easy access to your email anytime, right on your new tab.",
  "homepage_url": "https://chrome.google.com/webstore/detail/ready-mail-new-tab/nclmkajgiemgppgehaohldckhhfbppki",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "service_worker": "js/bg/rm_background.js"
  },
  "action": {
    "default_icon": "icons/icon48.png"
  },
  "permissions": [
    "alarms",
    "tabs",
    "storage",
    "topSites",
    "history"
  ],
  "host_permissions": [
    "*://*.newtabtools.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*.newtabtools.com/*",
        "https://*.newtabtools.com/*"
      ],
      "js": [
        "js/bg/rm_ext.js"
      ]
    }
  ],
  "chrome_url_overrides": {
    "newtab": "rm_new_tab.html"
  }
}