Add SQLite installation to Dockerfile

Dockerfile

@@ -1,6 +1,9 @@
 # Use the official Python 3.10.9 image
 FROM python:3.10.9
 
+# Install SQLite
+RUN apt-get update && apt-get install -y sqlite3 libsqlite3-dev && rm -rf /var/lib/apt/lists/*
+
 # Copy the current directory contents into the container at .
 COPY . .
 
@@ -14,4 +17,3 @@ EXPOSE 7860
 
 # Start the FastAPI app on port 7860, the default port expected by Spaces
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
-