Merge branch 'master' of https://github.com/IntelPython/dpnp

Author: shssf

README.md

@@ -5,6 +5,8 @@
 
 Full documentation: https://intelpython.github.io/dpnp/
 
+DPNP C++ backend documentation: https://intelpython.github.io/dpnp/backend_doc/
+
 The project contains:
 - Python interface with NumPy-like API
 - C++ library with SYCL based kernels