ChatQnA - refactoring README.md for deploy application on ROCm (opea-project#1857)

Signed-off-by: Chingis Yundunov <YundunovCN@sibedge.com>
Signed-off-by: Chingis Yundunov <c.yundunov@datamonsters.com>
Co-authored-by: Chingis Yundunov <YundunovCN@sibedge.com>
Co-authored-by: Artem Astafev <a.astafev@datamonsters.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: 4 people