feature/allthestuff (#4)

Co-authored-by: Sönke Domröse <soenke.domroese@lichtblick.de>
Reviewed-on: https://git.home.domroese.eu/nerdlicht/docker-container/pulls/4

startall.sh

@@ -1,5 +1,5 @@
 for dir in *; do
-  if [ -d "$dir" ]; then         # or:  if test -d "$dir"; then
+  if [ -d "$dir" ]; then
     ( cd "$dir" && docker-compose up -d )
   fi
 done