Update Dockerfile

Dockerfile

@@ -4,8 +4,8 @@ FROM python:3.9-slim
 # Set the working directory in the container
 WORKDIR /app
 
-# Install Flask and Gradio
-RUN pip install flask gradio
+# Install Flask, Gradio, and flask-cors
+RUN pip install flask gradio flask-cors
 
 # Clone the Mario game repository
 RUN apt-get update && apt-get install -y git