GitLab

* Add bf16 support for AMD in quickstart example

* Reduced git diff

* Move bf16 vector definition into common.h

* Added unit tests for basic AMD bf16 matmul

* lint fix

---------
Co-authored-by: OscarSavNS <oscar.savolainen@nscale.com>
Co-authored-by: LeiWang1999 <leiwang1999@outlook.com>