refactor readme

README.md

@@ -46,4 +46,8 @@ Create a JSON file with your slide(s) in `YYYY-MM-DD_presentationName/slides` an
  For resuming your work on a presentation, you can run the same contribute command:</br>
  ```bash
  $ ./contribute.sh -d YYYY-MM-DD -n presentationName
- ```
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+ ```
+
+## Further information
+
+More information is in the `docs` folder.
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