Save or Back up Gmail Messages to SharePoint

manifest.json

{
  "name": "Save or Back up Gmail Messages to SharePoint",
  "short_name": "Save Emails",
  "description": "Save any Gmail emails or labels to Microsoft 365 SharePoint with one click",
  "version": "1.0.0.11",
  "author": "https://www.cloudhq.net",
  "content_scripts": [
    {
      "exclude_globs": [],
      "css": [
        "stylesheets/jquery.dropdown.css",
        "stylesheets/popover.css",
        "stylesheets/file_browser.css",
        "stylesheets/main_save_to_sharepoint.css"
      ],
      "include_globs": [],
      "matches": [
        "https://mail.google.com/*",
        "https://inbox.google.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "service_worker": "background.js"
  },
  "permissions": [
    "scripting",
    "storage",
    "background"
  ],
  "host_permissions": [
    "https://mail.google.com/",
    "https://mail-attachment.googleusercontent.com/",
    "https://inbox.google.com/",
    "https://www.cloudhq.net/"
  ],
  "manifest_version": 3,
  "web_accessible_resources": [
    {
      "resources": [
        "javascripts/*",
        "icons/*",
        "*"
      ],
      "matches": [
        "*://*.cloudhq.net/*",
        "https://mail.google.com/*"
      ]
    }
  ],
  "icons": {
    "48": "icons/icon-48x48.png",
    "128": "icons/icon-128x128.png"
  },
  "converted_from_user_script": true,
  "externally_connectable": {
    "matches": [
      "*://*.cloudhq.net/*"
    ]
  },
  "action": {
    "default_icon": "icons/icon-128x128.png",
    "default_title": "Save emails to SharePoint by cloudHQ"
  },
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}