V0.0.48

Version 0.0.48

This new version introduces improvements to the progress reporting in the chat_paper function of the Zotero feature.

Improved progress reporting in the chat_paper function of the Zotero feature. The changes include moving the retrieverbot response and paper_key retrieval outside of the progress context, adding progress tasks for embedding Zotero library, downloading paper, and initializing docbot, and wrapping relevant sections of code with progress context (da0fc0) (Eric Ma)