change to one material per file

src/materials.py

@@ -165,7 +165,7 @@ def main():
     file_list = read_dir(absolute_path("data"), "INFO.json", True)
     for filename in file_list:
       file, _ = os.path.splitext(os.path.basename(filename))
-      print(file.title())
+      print(file)
       data = read_file(filename)
       data_dict = search_keys(data, 'Name')
       print_dict(data_dict, False, 2)