Add GPU data to orchestration pages

docs/webapp/webapp_orchestration_dash.md

@@ -66,6 +66,7 @@ When viewing a group's usage, you can select what data to view in the dropdown m
 
 The **Resource Groups** table displays current usage numbers for each group:
 * Worker count - number of workers in the group
+* GPU count
 * Average GPU Utilization (%)
 * Average CPU Load (%)
 * Available (total) RAM (GB)

docs/webapp/webapp_workers_queues.md

@@ -65,6 +65,9 @@ information. The resource metric being monitored can be selected through the men
 * Video Memory Usage
 * Network Usage.
 
+If a worker has multiple GPUs, the **CPU and GPU Usage** and **Video Memory Usage** graphs display separate usage plots 
+for each GPU (e.g., GPU 0, GPU 1, etc.) in addition to an overall average GPU usage plot.
+
 The worker's details panel includes the following two tabs:
 * **INFO** - Worker information:
     * Worker Name