* [hip] Docs: Overhaul HW implementation page
* Update hardware implementation and glossary
* Update programming model
* Add performance optimization
* Split into how-to and understanding
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Signed-off-by: Jan Stephan <jan.stephan@amd.com>
Co-authored-by: Jan Stephan <jan.stephan@amd.com>
Co-authored-by: Julia Jiang <julia.jiang@amd.com>