Conditionally source zephyr-env.sh in .bashrc

.devcontainer/.bashrc

@@ -0,0 +1,6 @@
+export LS_OPTIONS='-F --color=auto'
+eval "`dircolors`"
+alias ls='ls $LS_OPTIONS'
+if [ -f /workspaces/zmk/zephyr/zephyr-env.sh ]; then
+  source /workspaces/zmk/zephyr/zephyr-env.sh
+fi

.devcontainer/Dockerfile

@@ -6,3 +6,6 @@ RUN apt-get -y update && \
     ssh \
     gpg && \
     rm -rf /var/lib/apt/lists/*
+
+COPY .bashrc tmp
+RUN mv /tmp/.bashrc ~/.bashrc