Contributors information

Collect contributors info:

ToDo's:

• vor release of v1.0.0 we need complete info for:
  • Özlem Özkan
  • Oonagh Mannix
  • Helmut Kohl
• check for other contributors in contributors list of the owl artifact

Where to update:

• contributors information: backend/terms_population/onlin‎e_em_glossary_yaml_load_scripts‎/contributors.py
• pictures (200x200 pix at 75 dpi): frontend/public/images/contributors/