Update README.md for LibreOffice setup

desktop_env/evaluators/README.md

@@ -1,10 +1,20 @@
 # Setup Instructions
 
+## LibreOffice
+For LibreOffice, please enter into the app first, and then enable the no pop-up when 'ctrl + s'.
+
+## LibreOffice Press
+### Setting Up the python-pptx Library
+```shell
+pip install python-pptx
+```
+
 ## LibreOffice Writer
 
-### Setting Up the python-docx Library
+### Setting Up the python-docx and odfpy Library
 ```shell
 pip install python-docx
+pip install odfpy
 ```
 
 ## LibreOffice Calc