comment update

nibio_preprocessing/distance_filtering_dem_based_in_folder.py

@@ -7,6 +7,7 @@ from joblib import Parallel, delayed
 from nibio_preprocessing.distance_filtering_dem_based import DistanceFilteringDemBased 
 
 def process_file(las_file, DISTANCE, OUTPUT_FOLDER, VERBOSE):
+    # Print information about the process
     if VERBOSE:
         print(f"Processing {las_file}...")