Create importer

Problem/Motivation

I want to migrate my Podcast into Drupal w/ Podcast Publisher.

I want a form with a textfield to paste an RSS feed URL e.g. https://tatortpodcast.de/rss.xml (alternatively a file upload field to upload the XML file) and a button to start the import.

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes