Mail message URL

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Mail  message URL",
  "description": "Copy a unique Gmail message URL that you can bookmark or paste anywhere to reach the message in the future.",
  "version": "1.1",
  "content_scripts": [
    {
      "matches": [
        "https://inbox.google.com/*",
        "https://mail.google.com/*"
      ],
      "js": [
        "/thirdParty/jquery-3.4.1.min.js",
        "/js/main.js"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "service_worker": "/js/background.js"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "js/injected.js"
      ],
      "matches": [
        "https://inbox.google.com/*",
        "https://mail.google.com/*"
      ]
    }
  ],
  "action": {},
  "icons": {
    "16": "/images/icon.png",
    "48": "/images/icon.png",
    "128": "/images/icon.png"
  },
  "permissions": [
    "clipboardWrite"
  ]
}