Added link to experimental imgui_scoped.h PR/thread (#2197, #2096)

misc/README.txt

@@ -1,6 +1,6 @@
 
 misc/cpp/
-  InputText() wrappers for C++ standard library (STL) types (std::string, etc.).
+  InputText() wrappers for C++ standard library (STL) type: std::string.
   This is also an example of how you may wrap your own similar types.
 
 misc/fonts/

misc/cpp/README.txt

@@ -0,0 +1,10 @@
+
+imgui_stdlib.h + imgui_stdlib.cpp
+  InputText() wrappers for C++ standard library (STL) type: std::string.
+  This is also an example of how you may wrap your own similar types.
+
+imgui_scoped.h 
+  [Experimental, not currently in main repository]
+  Additional header file with some RAII-style wrappers for common ImGui functions.
+  Try by merging: https://github.com/ocornut/imgui/pull/2197
+  Discuss at: https://github.com/ocornut/imgui/issues/2096