Add Continuous Deployment tools (`auto`, packaging workflows, zenodo)

[smoia]

[rgbayrak]

What needs to be checked here? @smoia

[smoia]

If the content of the files make sense!

[rgbayrak]

Checked 'auto' for:

• [x] Do the labels accurately represent the types of changes typically made in the project?
• [x] Are the release types (major, minor, patch) being incremented appropriately based on the types of changes?
• [x] Are the naming conventions and descriptions clear and understandable for contributors to the project?