[SWDEV-551318] Add doc about RAS / CPER (#636)

* add doc about ras/cper
* add sample code examples for CPER and AFID
---------

Signed-off-by: Park, Peter <Peter.Park@amd.com>
Signed-off-by: Arif, Maisam <Maisam.Arif@amd.com>
Co-authored-by: Oosman Saeed <oossaeed@amd.com>

[ROCm/amdsmi commit: 5e92adc5b3]

projects/amdsmi/docs/index.md

@@ -46,9 +46,13 @@ AMD SMI is the successor to <https://github.com/ROCm/rocm_smi_lib>.
 * [Go API](./reference/amdsmi-go-api.md)
 :::
 
+:::{grid-item-card} Conceptual
+* [Reliability, availability, serviceability](./conceptual/ras.md)
+:::
+
 :::{grid-item-card} Tutorials
 * [AMD SMI examples (GitHub)](https://github.com/ROCm/amdsmi/tree/amd-staging/example)
-* [ROCm SMI examples (GitHub)](https://github.com/ROCm/rocm_smi_lib/tree/amd-staging/example)
+* [AMD SMI CLI walkthrough](https://rocm.blogs.amd.com/software-tools-optimization/amd-smi-overview/README.html)
 :::
 ::::