allow to adjust the log level globally (collabora)

Signed-off-by: Simon L. <szaimen@e.mail.de>

Containers/collabora/healthcheck.sh

@@ -1,5 +1,9 @@
 #!/bin/bash
 
+if [ "$AIO_LOG_LEVEL" = 'debug' ]; then
+    set -x
+fi
+
 # Unfortunately, no curl and no nc is installed in the container 
 # and packages can also not be added as the package list is broken.
 # So always exiting 0 for now.