Changed input,output value substitution placeholders to not conflict with jinja templates.

acm.py

@@ -602,8 +602,8 @@ def compress_assets(ctx, profile, content, destination, print_input_and_identity
                 os.makedirs(output_file_dir, exist_ok=True)
 
                 command: str = content_configuration['command'] \
-                    .replace('{{input_file}}', f'\'{input_file}\'') \
-                    .replace('{{output_file}}', f'\'{output_file}\'')
+                    .replace('{input_file}', f'\'{input_file}\'') \
+                    .replace('{output_file}', f'\'{output_file}\'')
 
                 tasks.append(
                     run_command_shell(