Define the add_url_schema template tag to allow cleaning up url in templates.

Copyright (C) 2021 Gitcoin Core

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License along with this program. If not, see http://www.gnu.org/licenses/.



Clean the provided URL to include the scheme (http) if no scheme is present.

Args: url (str): The URL to be cleaned.

Usage: {{ url|clean_url }}

Returns: str: The URL with the scheme attached.