- `Credentials` is now a Pydantic based model.
- Mailing list related emails are now detected hand saved as pubsub items, using XEP-0277
blog items, and creating suitable nodes. The ID of the mailing list is used for root
node.
- Mailing list items are currently restricted to recipient associated JID.
- Words in square bracket in title `[Like][That]` are removed and converted to blog
categories.
- Method to convert between MbData and email (in both directions) have been created.
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