First version of zen library

Features

Deposition Management: Easily create, retrieve, update, and delete Zenodo depositions from
your Python code.
Local File Management: Handle local files and datasets, with built-in support for templating.
File Handling: Upload, download, and manage files associated with your Zenodo depositions.
Deposition Listings: Retrieve a list of depositions from your Zenodo account with various
filtering options.
Integrity Checking: Automatically calculate checksums for files within your depositions for
integrity checking.
Interactivity with Zenodo API: Communicate with the Zenodo API seamlessly to access and
manipulate your deposition data.