add short section on supported Python, TF and CUDA versions

README.md

@@ -12,7 +12,11 @@ Alternatively, you can also use `make` with these targets:
 
 `make install` or  
 
-`make install-dev` for editable installation  
+`make install-dev` for editable installation
+
+The current version of Eynollah runs on Python `>=3.6` with Tensorflow `>=2.4`. 
+
+In order to use a GPU for inference, the CUDA toolkit version 10.x needs to be installed.
 
 ### Models