Setup vs code and theia/gitpod for debugging rust"

.gitpod.Dockerfile

@@ -11,4 +11,11 @@ RUN rm -rf ~/.rustup && \
     curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh && \
     rustup target add wasm32-unknown-unknown
 
+RUN sudo apt-get -q update \
+    && sudo apt-get install -yq \
+        libpython3.6 \
+        rust-lldb \
+    && sudo rm -rf /var/lib/apt/lists/*
+ENV RUST_LLDB=/usr/bin/lldb-8
+
 USER root