[SYCL][Doc] Add oneAPI logo to the README file (#4400)

Also refactor README.md a bit

Author: Pavel Chupin

README.md

@@ -1,37 +1,30 @@
 # Intel Project for LLVM\* technology
 
-## Introduction
+Intel staging area for llvm.org contribution. Home for Intel LLVM-based projects:
 
-Intel staging area for llvm.org contribution.
-Home for Intel LLVM-based projects:
+## oneAPI Data Parallel C++ compiler
 
-* oneAPI Data Parallel C++ compiler - see
-  [sycl](https://github.com/intel/llvm/tree/sycl) branch. More information on
-  oneAPI and DPC++ is available at
-  [https://www.oneapi.com/](https://www.oneapi.com/)
-  * [![Linux Post Commit Checks](https://github.com/intel/llvm/workflows/Linux%20Post%20Commit%20Checks/badge.svg)](https://github.com/intel/llvm/actions?query=workflow%3A%22Linux+Post+Commit+Checks%22)
-    [![Generate Doxygen documentation](https://github.com/intel/llvm/workflows/Generate%20Doxygen%20documentation/badge.svg)](https://github.com/intel/llvm/actions?query=workflow%3A%22Generate+Doxygen+documentation%22)
-* Late-outline OpenMP\* and OpenMP\* Offload - see
-  [openmp](https://github.com/intel/llvm/tree/openmp) branch.
+[![](https://spec.oneapi.io/oneapi-logo-white-scaled.jpg)](https://www.oneapi.io/)
 
-## License
+See [sycl](https://github.com/intel/llvm/tree/sycl) branch and
+[DPC++ Documentation](https://intel.github.io/llvm-docs/).
 
-See [LICENSE.txt](sycl/LICENSE.TXT) for details.
+[![Linux Post Commit Checks](https://github.com/intel/llvm/workflows/Linux%20Post%20Commit%20Checks/badge.svg)](https://github.com/intel/llvm/actions?query=workflow%3A%22Linux+Post+Commit+Checks%22)
+[![Generate Doxygen documentation](https://github.com/intel/llvm/workflows/Generate%20Doxygen%20documentation/badge.svg)](https://github.com/intel/llvm/actions?query=workflow%3A%22Generate+Doxygen+documentation%22)
 
-## Contributing
+DPC++ is an open, cross-architecture language built upon the ISO C++ and Khronos
+SYCL\* standards. DPC++ extends these standards with a number of extensions,
+which can be found in [sycl/doc/extensions](sycl/doc/extensions) directory.
 
-See [CONTRIBUTING.md](CONTRIBUTING.md) for details.
+## Late-outline OpenMP\* and OpenMP\* Offload
+See [openmp](https://github.com/intel/llvm/tree/openmp) branch.
 
-## Sub-projects Documentation
+# License
 
-* oneAPI Data Parallel C++ compiler - See
-  [DPC++ Documentation](https://intel.github.io/llvm-docs/)
-* Late-outline OpenMP\* and OpenMP\* Offload - TBD
+See [LICENSE.txt](sycl/LICENSE.TXT) for details.
 
-## DPC++ extensions
+# Contributing
 
-DPC++ is an open, cross-architecture language built upon the ISO C++ and Khronos
-SYCL\* standards. DPC++ extends these standards with a number of extensions,
-which can be found in [sycl/doc/extensions](sycl/doc/extensions) directory.
+See [CONTRIBUTING.md](CONTRIBUTING.md) for details.
 
 *\*Other names and brands may be claimed as the property of others.*