update clustering code to segment regions, still cluster until next release for backward compat

serverless/alpr_clusters/src/Dockerfile

@@ -0,0 +1,12 @@
+# Use the official AWS Lambda Python 3.9 base image
+FROM amazon/aws-lambda-python:3.9
+
+# Copy function code
+COPY alpr_clusters.py ${LAMBDA_TASK_ROOT}
+
+# Install dependencies
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+
+# Set the CMD to your handler
+CMD ["alpr_clusters.lambda_handler"]