description of how to you use the configuration file as a user (non developer)

To add to the readme.md:

• The hifis-surveyval.yml configuration file can also be included in any working directory.
• Please add an example how to configure it correctly:

ID_COLUMN_NAME: id
METADATA: metadata/meta.yml
OUTPUT_FOLDER: output
OUTPUT_FORMAT: SCREEN
PREPROCESSING_FILENAME: preprocess.py
SCRIPT_FOLDER: scripts
SCRIPT_NAMES: [example_script]