DOC: add documentation

README.md

@@ -16,10 +16,20 @@ Mount the custom folder by adding it to the `profile.yml`. E.g.
 Also, you need to add the python package to the scripting interface in the
 profile:
 ```
-TODO
+  scripting:
+    packages:
+      loanpy:
+        mode: "copy"
+        path: "loan/loanpy"
+        package: "linkahead-sss-loanpy"
 ```
 
 
+## Configuration
+Note, that you can adjust names of Recordtypes and Properties that are used.
+If you want to do this, you need to overwrite the files 
+- `loanpy/src/loan/conf.py` and
+- `loan-custom/caosdb-server/caosdb-webui/src/ext/js/a_box_loan_config.js`.
 
 ## Integration tests
 Run `pytest .` in the integration tests folder