tmp: add example dataset for testing

Dockerfile

@@ -31,10 +31,13 @@ RUN GITCOMMIT=$(git rev-parse HEAD) \
     && go build -C tests/data_generator \
     -o /data-generator
 
+COPY tests/data_generator/example_test_data_config2.yaml /example_dataset.yaml
+
 FROM alpine
 RUN apk add --no-cache bash
 COPY --from=builder /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem /etc/ssl/certs/ca-certificates.crt
 COPY --from=builder /cohort-middleware /cohort-middleware
 COPY --from=builder /data-generator /data-generator
+COPY --from=builder /example_dataset.yaml /example_dataset.yaml
 
 CMD ["/cohort-middleware"]