Implemented backup directory validation

cleanup.sh

@@ -5,7 +5,12 @@ BACKUP_HASH="$1"
 
 # Define main directory containing subdirectories to potentially be deleted
 MAIN_DIRECTORY="/Backups/$BACKUP_HASH/backup-docker-to-local"
-echo "Checking backup directory: $MAIN_DIRECTORY"
+if [ -d "$MAIN_DIRECTORY" ]; then
+    echo "Cleaning up directory: $MAIN_DIRECTORY"
+else 
+    echo "Error: $MAIN_DIRECTORY does not exist."
+    exit 1
+fi
 
 # Define trigger directory argument as TRIGGER_DIR
 TRIGGER_DIR="$2"