Update README with details of CUDA backend project

Update the previous README from forking with details of the CUDA
backend project

Signed-off-by: Alexander Johnston <[email protected]>

Author: Alexander Johnston

README.md

@@ -1,23 +1,22 @@
-# Intel Project for LLVM* technology
+# Codeplay CUDA Backend for LLVM SYCL
 
 ## Introduction
 
-Intel staging area for llvm.org contribution.
-Home for Intel LLVM-based projects:
- - SYCL* Compiler and Runtimes - compiler and runtime libraries for SYCL ([https://www.khronos.org/sycl/](https://www.khronos.org/sycl/)). See **sycl** branch.
+Codeplay staging area for CUDA Backend to LLVM SYCL:
+ - SYCL Compiler and Runtimes - compiler and runtime libraries for SYCL ([https://www.khronos.org/sycl/](https://www.khronos.org/sycl/)). See **cuda** branch.
+ - All issues and pull requests should be directed to https://github.com/intel/llvm/.
+ - For an introduction to this project and further details on the CUDA back-end implementation read [this blog post](https://www.codeplay.com/portal/02-03-20-codeplay-contribution-to-dpcpp-brings-sycl-support-for-nvidia-gpus).
+ - For any further information please contact [email protected]
 
 ## License
 See [LICENSE.txt](sycl/LICENSE.TXT) for details.
 
-
 ## Contributing
 See [CONTRIBUTING.md](CONTRIBUTING.md) for details.
 
 ## Sub-projects Documentation
  - SYCL Compiler and Runtimes - See [GetStartedWithSYCLCompiler.md](sycl/doc/GetStartedWithSYCLCompiler.md)
 
-*Other names and brands may be claimed as the property of others.
-
 ## SYCL Extension Proposal Documents
 
 See [sycl/doc/extensions](sycl/doc/extensions)