removing .devcontainer/ from git tracking

.devcontainer/files/entrypoint.sh

@@ -1,9 +0,0 @@
-#!/bin/bash
-# Start supervisord in the background and redirect its output to /dev/null
-
-# open supervisord in tmux
-tmux new-session -d -s supervisord
-tmux send-keys -t supervisord "/usr/bin/supervisord -c /etc/supervisor/conf.d/supervisord.conf" C-m
-
-# End of entrypoint
-# -----------------