[vega] Sets up working system. [Eww] Moves config to be specific to drew-desktop

system/hosts/drew-desktop/eww/config/scripts/gpu-stats.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+nvidia-smi --format=csv,noheader,nounits --query-gpu=utilization.gpu,utilization.memory,temperature.gpu --loop-ms=1000 \
+  | sed --unbuffered -e 's/.*/[&]/' \
+  | jq --unbuffered --compact-output '{"gpu": .[0], "memory": .[1], "temp": .[2] }'
+