Add support for deposit using the DSpace REST API

# What? 

PASS should be able to deposit to DSpace by using its REST API. 

# Why?

Currently swordv2 is used to deposit to DSpace, but the swordv2 support we are using is no longer maintained.

# How?

# Acceptance Criteria 

The ability to deposit using the DSpace rest API in the pass-docker local environment.

# Related Issues
