Details:
- Added Doxyfile, a configuration file in docs directory for generating Doxygen document from source files.
- Currently only CBLAS interface of (Batched gemm and gemmt)extension APIs are included.
- Support for BLAS interface is yet to be added.
- To generate Doxygen based document for extension API, use given command.
$ doxygen docs/Doxyfile
AMD-Internal: [CPUPL-3188]
Change-Id: I76e70b08f0114a528e86514bcb01d666acc591e8
