change to new code of battlesnake

Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.10.6-slim
+
+# Install app
+COPY . /usr/app
+WORKDIR /usr/app
+
+# Install dependencies
+RUN pip install --upgrade pip && pip install -r requirements.txt
+
+# Run Battlesnake
+CMD [ "python", "main.py" ]