feat: GPU dashboard, NVIDIA A40 conditions

This MR introduces:

• link GPU dashboard
• NVIDIA A40 conditions

@cloud

content/cloud/gpus/index.md

@@ -5,18 +5,21 @@ draft: false
 disableToc: true
 GeekdocHidden: true
 ---
-On this page you can find the list of offered gpus in Metacentrum Cloud.
+On this page you can find static list of offered GPUs in Metacentrum Cloud.
 
 {{< csv-table header="true">}}
 
 GPU, Total nodes, GPUs per node
 NVIDIA Tesla T4, 16, 2
-NVIDIA A40, 2, 4
+NVIDIA A40 (**), 2, 4
 NVIDIA TITAN V, 1, 1
-NVIDIA GeForce GTX 1080 Ti*, 8, 2
-NVIDIA GeForce GTX 2080*, 9, 2
-NVIDIA GeForce GTX 2080 Ti*, 14, 2
+NVIDIA GeForce GTX 1080 Ti (*), 8, 2
+NVIDIA GeForce GTX 2080 (*), 9, 2
+NVIDIA GeForce GTX 2080 Ti (*), 14, 2
 
 {{</csv-table>}}
+Notes:
+- (*) experimental use in academic environment.
+- (**) There are currently operating system limitation of VM servers attaching GPU device. Supported are Debian 10 and Centos 7.
 
-*experimental use in academic environment.
+Current GPU usage can be viewed on [GPU overview dashboard](https://grafana1.cloud.muni.cz/d/J66duZjnk/openstack-gpu-resource-overview) (valid e-infra / MUNI identity needed).