adjust mapping to new yaml template

description

For creating the OWL build file we have simplified and adapted the term template for the yaml files. This will require the adaption of the mapping to the HTML build of the frontend. The updated template is here: https://codebase.helmholtz.cloud/em_glossary/em_glossary/-/blob/main/schema/template_new_term.yaml?ref_type=heads

ToDo's

• update mapping from yaml template to DB