add a client and server implementation for the interop test runner

interop/Dockerfile

@@ -0,0 +1,24 @@
+FROM martenseemann/quic-network-simulator-endpoint:latest
+
+RUN apt-get update && apt-get install -y wget tar git vim python
+
+RUN wget https://dl.google.com/go/go1.13.3.linux-amd64.tar.gz && \
+  tar xfz go1.13.3.linux-amd64.tar.gz && \
+  rm go1.13.3.linux-amd64.tar.gz
+
+ENV PATH="/go/bin:${PATH}"
+
+# build with --build-arg CACHEBUST=$(date +%s)
+ARG CACHEBUST=1
+
+RUN git clone https://github.com/lucas-clemente/quic-go && \
+  cd quic-go && \
+  git checkout interop && \
+  go get ./...
+
+WORKDIR /quic-go
+
+COPY run_endpoint.sh .
+RUN chmod +x run_endpoint.sh
+
+ENTRYPOINT [ "./run_endpoint.sh" ]