README update (#66)

* initial test for sql embeeding store

* feat: Adding sqlite database support for local model

* minor correction

* update readme

---------

Co-authored-by: Charles Xu <charlesxuty@berkeley.edu>

ai_course_bot/ai-chatbot-backend/README.md

@@ -1,3 +1,11 @@
+## Setup Instructions
 1. install requirements `pip install -r requirements.txt`
 2. configure env key, see `.env.example`
-3. run server `python main.py`
+3. run server `python main.py`
+
+### Configure SQLite Support
+1. To enable SQLite support, please set `SQLDB = True` in `ai_course_bot/ai-chatbot-backend/app/core/actions/llama_seletor.py`
+
+2. Download the appropriate `vector0.dylib` and `vss0.dylib` for your machine's hardware from https://github.com/asg017/sqlite-vss/releases. 
+
+3. Place `vector0.dylib` and `vss0.dylib` files into the `ai_course_bot/ai-chatbot-backend/app/embedding/dist/debug` directory.