added the generic folders for code that is framework independent (e.g…

…., uses only the numpy library) or can support all major deep leanring libraries

cleverhans/generic/README.md

@@ -0,0 +1,5 @@
+# Generic Code (framework independent)
+
+This folder contains code that is framework independent (for example, it uses 
+the numpy library only or can handle support for all major deep learning 
+libraries).

defenses/README.md

@@ -1,7 +1,8 @@
 # Defenses
 
 This folder contains implementations of defenses (as standalone scripts) in one
-of the three frameworks (JAX, PyTorch, TF2). Each defense should be implemented
-as a script that helps reproduce results reported in the paper introducing the
-defense. The goal is for these scripts to be authoritative ways to reproduce
-the defense. 
+of the three frameworks (JAX, PyTorch, TF2) or if it is framework independent 
+then this code should go to the generic folder. Each defense should be 
+implemented as a script that helps reproduce results reported in the paper 
+introducing the defense. The goal is for these scripts to be authoritative ways
+to reproduce the defense. 

defenses/generic/README.md

@@ -0,0 +1,5 @@
+# Generic Defenses (framework independent)
+
+This folder contains implementations of defenses (as standalone scripts) that 
+are implemented in a framework independent way (for example, it uses the numpy 
+library only or can handle support for all major deep learning libraries).

tutorials/generic/README.md

@@ -0,0 +1,5 @@
+# Tutorials for framework independent features
+
+This folder contains implementations of features that are implemented in a 
+framework independent way (for example, it uses the numpy library only or can 
+handle support for all major deep learning libraries).