HIP-python with a bit more detail

[HichamAgueny]

The HIP-python part will complement the section "High-level language support". It will be addressed with a bit more detail. Some initial thoughts are:

-Accessing the GPU’s properties from HIP-python
-Managing/allocating memory from HIP-python
-Compiling kernels from HIP-python
-Launching kernels from HIP-python
-Creating Streams and Events from HIP-python
-Using HIP-python’s library e.g. hipBLAS
-...