🔧 Updated app.py to compute embeddings using MentalBERT - 2

🔧 Updated app.py to compute embeddings using MentalBERT

Remove login(), pass token to SentenceTransformer

Add HF token login

Add Dockerfile for hosting MentalBERT embedding server

Update README.md for Docker SDK

Initial commit with FastAPI backend

Initial commit with FastAPI backend

initial commit