* Bookworm Script that exports the RSS list from a Miniflux server and generates an ebook using calibre. ** Features - Show the RSS feed list from Miniflux and the categories that Miniflux has. - The script should store the feeds locally and have a flag to update the RSS feeds from the source of truth. - The script should have a flag to determine how many days of articles are going to be included in the final ebook. - The script should have a parameter to configure the format of the final ebook. - Other configurable parameters in Calibre might be included in the script. - If possible, the script should send the ebook to our reader, if possible (say, through the kindle email, for example).