add gitpod dockerfile

.gitpod.Dockerfile

@@ -0,0 +1,9 @@
+FROM gitpod/workspace-full
+
+USER gitpod
+
+RUN sudo apt-get -q update && \
+     sudo apt-get install -yq libnl-3-dev libnl-genl-3-dev && \
+     sudo rm -rf /var/lib/apt/lists/*
+
+# More information: https://www.gitpod.io/docs/config-docker/