Add more information on feeding regime and reinforcement scheme

[miDaehne]

1. Create a text field that will contain the dietary information as a copy from the original publication.
   From all already introduced studies the content must be created and added from the original publications
2. Create a text field that will summarize the reinforcement scheme to see how reinforcement were given during the contucted study.
   From all already introduced studies the content must be created and added from the original publications