Speed up command prompt given git perf for this repo

Author: Chuxel

.devcontainer/Dockerfile

@@ -3,4 +3,5 @@ FROM mcr.microsoft.com/vscode/devcontainers/repos/microsoft/vscode:latest
 COPY fluxbox/* /tmp/fluxbox/
 COPY *.sh /tmp/scripts/
 RUN bash /tmp/scripts/install.sh \
-    && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/scripts/ /tmp/fluxbox/
+    && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/scripts/ /tmp/fluxbox/ \
+    && git config --global codespaces-theme.hide-status 1