Installation Fixes - arm-based Mac (M1, M2, M3); faiss-cpu; Werkzeug (Flask), spacy

[ai-nikolai]

Overview

This is a fix for arm-based mac & potentially other platforms as well in terms of installation. This solves: https://github.com/princeton-nlp/WebShop/issues/33

Description of Changes

Please look at second README file to follow the fixed installation.

Screenshots

N/A

Checklist

• [ ? ] My code follows the style guidelines of this project
• [ Y ] I have performed a self-review of my code
• [ Y ] I have commented my code + updated documentation (if necessary)
• [ n/a ] I have added tests to define the behavior of the feature(s) and verify it is working
• [ n/a ] New + existing unit tests pass