corrected positioning of comment

Author: krystan

containers/typescript-node-8/.devcontainer/Dockerfile

@@ -5,12 +5,12 @@
 
 FROM node:8
 
-# Configure apt
 ENV DEBIAN_FRONTEND=noninteractive
 
 # Set the default shell to bash instead of sh
 ENV SHELL /bin/bash
 
+# Configure apt
 RUN apt-get update \
     && apt-get -y install --no-install-recommends apt-utils 2>&1 \
     # Verify git and needed tools are installed